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2236525 = 52137653
BaseRepresentation
bin1000100010000001101101
311012121221021
420202001231
51033032100
6115534141
725003324
oct10420155
94177837
102236525
111298375
128ba351
13603cb5
144230bb
152e2a1a
hex22206d

2236525 has 12 divisors (see below), whose sum is σ = 2797812. Its totient is φ = 1773440.

The previous prime is 2236519. The next prime is 2236573. The reversal of 2236525 is 5256322.

It can be written as a sum of positive squares in 6 ways, for example, as 125316 + 2111209 = 354^2 + 1453^2 .

It is not a de Polignac number, because 2236525 - 23 = 2236517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 29 + 217 + 35 + 64 + 55 + 221 + 55 .

It is a Duffinian number.

2236525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2236525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3099 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (233151).

22236525 is an apocalyptic number.

2236525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2236525 is a deficient number, since it is larger than the sum of its proper divisors (561287).

2236525 is a wasteful number, since it uses less digits than its factorization.

2236525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 795 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 2236525 is about 1495.5015880968. The cubic root of 2236525 is about 130.7749569403.

It can be divided in two parts, 223652 and 5, that multiplied together give a triangular number (1118260 = T1495).

The spelling of 2236525 in words is "two million, two hundred thirty-six thousand, five hundred twenty-five".

Divisors: 1 5 25 137 653 685 3265 3425 16325 89461 447305 2236525