113528025 has 72 divisors (see below), whose sum is σ = 225115800. Its totient is φ = 54328320.

The previous prime is 113528003. The next prime is 113528027. The reversal of 113528025 is 520825311.

It is a happy number.

113528025 is a `hidden beast` number, since 113 + 528 + 0 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 7767369 + 105760656 = 2787^2 + 10284^2 .

It is not a de Polignac number, because 113528025 - 2⁵ = 113527993 is a prime.

It is a super-2 number, since 2×113528025² = 25777224920801250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113528025.

It is not an unprimeable number, because it can be changed into a prime (113528027) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 107701 + ... + 108749.

Almost surely, 2^113528025 is an apocalyptic number.

113528025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113528025 is a deficient number, since it is larger than the sum of its proper divisors (111587775).

113528025 is a wasteful number, since it uses less digits than its factorization.

113528025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 113528025 is about 10654.9530735710. The cubic root of 113528025 is about 484.2106762749.

The spelling of 113528025 in words is "one hundred thirteen million, five hundred twenty-eight thousand, twenty-five".