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BaseRepresentation
bin111110011011001010101
310211220221012
413303121111
51010424100
6111502005
723246426
oct7633125
93756835
102045525
111177919
12827905
13568091
143b364d
152a6135
hex1f3655

2045525 has 12 divisors (see below), whose sum is σ = 2686212. Its totient is φ = 1539840.

The previous prime is 2045509. The next prime is 2045539. The reversal of 2045525 is 5255402.

It can be written as a sum of positive squares in 6 ways, for example, as 37636 + 2007889 = 194^2 + 1417^2 .

It is not a de Polignac number, because 2045525 - 24 = 2045509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (223851).

22045525 is an apocalyptic number.

2045525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045525 is a deficient number, since it is larger than the sum of its proper divisors (640687).

2045525 is a wasteful number, since it uses less digits than its factorization.

2045525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2045525 is about 1430.2185147732. The cubic root of 2045525 is about 126.9409070569.

The spelling of 2045525 in words is "two million, forty-five thousand, five hundred twenty-five".