113250521 has 8 divisors (see below), whose sum is σ = 115826280. Its totient is φ = 110702592.

The previous prime is 113250509. The next prime is 113250523. The reversal of 113250521 is 125052311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126025 + 113124496 = 355^2 + 10636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113250521 - 2¹⁸ = 112988377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113250493 and 113250502.

It is not an unprimeable number, because it can be changed into a prime (113250523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (14478285).

Almost surely, 2^113250521 is an apocalyptic number.

It is an amenable number.

113250521 is a deficient number, since it is larger than the sum of its proper divisors (2575759).

113250521 is a wasteful number, since it uses less digits than its factorization.

113250521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 113250521 is about 10641.9228055836. The cubic root of 113250521 is about 483.8158250715.

The spelling of 113250521 in words is "one hundred thirteen million, two hundred fifty thousand, five hundred twenty-one".