252314991 has 12 divisors (see below), whose sum is σ = 380301168. Its totient is φ = 160896384.

The previous prime is 252314957. The next prime is 252315017. The reversal of 252314991 is 199413252.

252314991 is a `hidden beast` number, since 2 + 523 + 1 + 49 + 91 = 666.

252314991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252314991 - 2¹⁰ = 252313967 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252304991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609250 + ... + 609663.

It is an arithmetic number, because the mean of its divisors is an integer number (31691764).

Almost surely, 2^252314991 is an apocalyptic number.

252314991 is a deficient number, since it is larger than the sum of its proper divisors (127986177).

252314991 is a wasteful number, since it uses less digits than its factorization.

252314991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218942 (or 1218939 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 252314991 is about 15884.4260519542. The cubic root of 252314991 is about 631.8990243194.

The spelling of 252314991 in words is "two hundred fifty-two million, three hundred fourteen thousand, nine hundred ninety-one".