113525520 has 80 divisors (see below), whose sum is σ = 353846400. Its totient is φ = 30108672.

The previous prime is 113525519. The next prime is 113525557. The reversal of 113525520 is 25525311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46572 + ... + 48948.

It is an arithmetic number, because the mean of its divisors is an integer number (4423080).

Almost surely, 2^113525520 is an apocalyptic number.

113525520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113525520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176923200).

113525520 is an abundant number, since it is smaller than the sum of its proper divisors (240320880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113525520 is a wasteful number, since it uses less digits than its factorization.

113525520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 113525520 is about 10654.8355219590. The cubic root of 113525520 is about 484.2071148733.

The spelling of 113525520 in words is "one hundred thirteen million, five hundred twenty-five thousand, five hundred twenty".