113521252 has 24 divisors (see below), whose sum is σ = 214414200. Its totient is φ = 52279296.

The previous prime is 113521241. The next prime is 113521253. The reversal of 113521252 is 252125311.

It can be written as a sum of positive squares in 4 ways, for example, as 40144896 + 73376356 = 6336^2 + 8566^2 .

It is not an unprimeable number, because it can be changed into a prime (113521253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24324 + ... + 28612.

It is an arithmetic number, because the mean of its divisors is an integer number (8933925).

Almost surely, 2^113521252 is an apocalyptic number.

It is an amenable number.

113521252 is a deficient number, since it is larger than the sum of its proper divisors (100892948).

113521252 is a wasteful number, since it uses less digits than its factorization.

113521252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4813 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 113521252 is about 10654.6352354269. The cubic root of 113521252 is about 484.2010468636.

Adding to 113521252 its reverse (252125311), we get a palindrome (365646563).

The spelling of 113521252 in words is "one hundred thirteen million, five hundred twenty-one thousand, two hundred fifty-two".