113553251 has 8 divisors (see below), whose sum is σ = 137409120. Its totient is φ = 91605888.

The previous prime is 113553247. The next prime is 113553263. The reversal of 113553251 is 152355311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113553251 - 2² = 113553247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113553251.

It is not an unprimeable number, because it can be changed into a prime (113553281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476996 + ... + 477233.

It is an arithmetic number, because the mean of its divisors is an integer number (17176140).

Almost surely, 2^113553251 is an apocalyptic number.

113553251 is a deficient number, since it is larger than the sum of its proper divisors (23855869).

113553251 is an equidigital number, since it uses as much as digits as its factorization.

113553251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954253.

The product of its digits is 2250, while the sum is 26.

The square root of 113553251 is about 10656.1367765246. The cubic root of 113553251 is about 484.2465375932.

The spelling of 113553251 in words is "one hundred thirteen million, five hundred fifty-three thousand, two hundred fifty-one".