113252091 has 4 divisors (see below), whose sum is σ = 151002792. Its totient is φ = 75501392.

The previous prime is 113252077. The next prime is 113252099. The reversal of 113252091 is 190252311.

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 113252091 - 2¹⁹ = 112727803 is a prime.

It is a super-2 number, since 2×113252091² = 25652072231744562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113252099) 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, 18875346 + ... + 18875351.

It is an arithmetic number, because the mean of its divisors is an integer number (37750698).

Almost surely, 2^113252091 is an apocalyptic number.

113252091 is a deficient number, since it is larger than the sum of its proper divisors (37750701).

113252091 is an equidigital number, since it uses as much as digits as its factorization.

113252091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37750700.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 113252091 is about 10641.9965701930. The cubic root of 113252091 is about 483.8180607855.

The spelling of 113252091 in words is "one hundred thirteen million, two hundred fifty-two thousand, ninety-one".