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2101325 = 5284053
BaseRepresentation
bin1000000001000001001101
310221202110212
420001001031
51014220300
6113012205
723601212
oct10010115
93852425
102101325
111205836
12854065
135875b5
143c9b09
152b7935
hex20104d

2101325 has 6 divisors (see below), whose sum is σ = 2605674. Its totient is φ = 1681040.

The previous prime is 2101313. The next prime is 2101327. The reversal of 2101325 is 5231012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 90601 + 2010724 = 301^2 + 1418^2 .

It is not a de Polignac number, because 2101325 - 26 = 2101261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42002 + ... + 42051.

It is an arithmetic number, because the mean of its divisors is an integer number (434279).

22101325 is an apocalyptic number.

2101325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2101325 is a deficient number, since it is larger than the sum of its proper divisors (504349).

2101325 is an equidigital number, since it uses as much as digits as its factorization.

2101325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84063 (or 84058 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2101325 is about 1449.5947709619. The cubic root of 2101325 is about 128.0848436521.

Adding to 2101325 its reverse (5231012), we get a palindrome (7332337).

The spelling of 2101325 in words is "two million, one hundred one thousand, three hundred twenty-five".

Divisors: 1 5 25 84053 420265 2101325