113525491 has 4 divisors (see below), whose sum is σ = 114893352. Its totient is φ = 112157632.

The previous prime is 113525483. The next prime is 113525497. The reversal of 113525491 is 194525311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113525491 - 2³ = 113525483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113525497) 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 3 ways as a sum of consecutive naturals, for example, 683806 + ... + 683971.

It is an arithmetic number, because the mean of its divisors is an integer number (28723338).

Almost surely, 2^113525491 is an apocalyptic number.

113525491 is a deficient number, since it is larger than the sum of its proper divisors (1367861).

113525491 is an equidigital number, since it uses as much as digits as its factorization.

113525491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367860.

The product of its digits is 5400, while the sum is 31.

The square root of 113525491 is about 10654.8341610745. The cubic root of 113525491 is about 484.2070736432.

The spelling of 113525491 in words is "one hundred thirteen million, five hundred twenty-five thousand, four hundred ninety-one".