113352561 has 32 divisors (see below), whose sum is σ = 198547200. Its totient is φ = 62536320.

The previous prime is 113352557. The next prime is 113352581. The reversal of 113352561 is 165253311.

113352561 is a `hidden beast` number, since 1 + 133 + 525 + 6 + 1 = 666.

It is not a de Polignac number, because 113352561 - 2² = 113352557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (113352521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4860 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (6204600).

Almost surely, 2^113352561 is an apocalyptic number.

It is an amenable number.

113352561 is a deficient number, since it is larger than the sum of its proper divisors (85194639).

113352561 is a wasteful number, since it uses less digits than its factorization.

113352561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20726 (or 20720 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 113352561 is about 10646.7159725429. The cubic root of 113352561 is about 483.9610892950.

The spelling of 113352561 in words is "one hundred thirteen million, three hundred fifty-two thousand, five hundred sixty-one".