113132251 has 4 divisors (see below), whose sum is σ = 119086600. Its totient is φ = 107177904.

The previous prime is 113132233. The next prime is 113132291. The reversal of 113132251 is 152231311.

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 113132251 - 2¹⁷ = 113001179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5954329 = 113132251 / (1 + 1 + 3 + 1 + 3 + 2 + 2 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113132291) 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, 2977146 + ... + 2977183.

It is an arithmetic number, because the mean of its divisors is an integer number (29771650).

Almost surely, 2^113132251 is an apocalyptic number.

113132251 is a deficient number, since it is larger than the sum of its proper divisors (5954349).

113132251 is an equidigital number, since it uses as much as digits as its factorization.

113132251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954348.

The product of its digits is 180, while the sum is 19.

The square root of 113132251 is about 10636.3645574980. The cubic root of 113132251 is about 483.6473465876.

Adding to 113132251 its reverse (152231311), we get a palindrome (265363562).

The spelling of 113132251 in words is "one hundred thirteen million, one hundred thirty-two thousand, two hundred fifty-one".