252716307 has 4 divisors (see below), whose sum is σ = 336955080. Its totient is φ = 168477536.

The previous prime is 252716297. The next prime is 252716369. The reversal of 252716307 is 703617252.

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 252716307 - 2¹⁵ = 252683539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252716707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42119382 + ... + 42119387.

It is an arithmetic number, because the mean of its divisors is an integer number (84238770).

Almost surely, 2^252716307 is an apocalyptic number.

252716307 is a deficient number, since it is larger than the sum of its proper divisors (84238773).

252716307 is an equidigital number, since it uses as much as digits as its factorization.

252716307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84238772.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 252716307 is about 15897.0534062134. The cubic root of 252716307 is about 632.2338661744.

The spelling of 252716307 in words is "two hundred fifty-two million, seven hundred sixteen thousand, three hundred seven".