112565251 has 4 divisors (see below), whose sum is σ = 112586512. Its totient is φ = 112543992.

The previous prime is 112565249. The next prime is 112565261. The reversal of 112565251 is 152565211.

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 112565251 - 2¹ = 112565249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112565221) 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, 4330 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (28146628).

Almost surely, 2^112565251 is an apocalyptic number.

112565251 is the 6126-th hex number.

112565251 is a deficient number, since it is larger than the sum of its proper divisors (21261).

112565251 is an equidigital number, since it uses as much as digits as its factorization.

112565251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260.

The product of its digits is 3000, while the sum is 28.

The square root of 112565251 is about 10609.6772335449. The cubic root of 112565251 is about 482.8380063350.

The spelling of 112565251 in words is "one hundred twelve million, five hundred sixty-five thousand, two hundred fifty-one".