113525251 has 4 divisors (see below), whose sum is σ = 129743152. Its totient is φ = 97307352.

The previous prime is 113525233. The next prime is 113525267. The reversal of 113525251 is 152525311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152525311 = 2503 ⋅60937.

It is a cyclic number.

It is not a de Polignac number, because 113525251 - 2⁷ = 113525123 is a prime.

It is a super-2 number, since 2×113525251² = 25775965229226002, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113525221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8108940 + ... + 8108953.

It is an arithmetic number, because the mean of its divisors is an integer number (32435788).

Almost surely, 2^113525251 is an apocalyptic number.

113525251 is a deficient number, since it is larger than the sum of its proper divisors (16217901).

113525251 is an equidigital number, since it uses as much as digits as its factorization.

113525251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217900.

The product of its digits is 1500, while the sum is 25.

The square root of 113525251 is about 10654.8228985751. The cubic root of 113525251 is about 484.2067324283.

The spelling of 113525251 in words is "one hundred thirteen million, five hundred twenty-five thousand, two hundred fifty-one".