252564977 has 8 divisors (see below), whose sum is σ = 289027200. Its totient is φ = 216198144.

The previous prime is 252564953. The next prime is 252564979. The reversal of 252564977 is 779465252.

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 252564977 - 2⁶ = 252564913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252564979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18077 + ... + 28842.

It is an arithmetic number, because the mean of its divisors is an integer number (36128400).

Almost surely, 2^252564977 is an apocalyptic number.

It is an amenable number.

252564977 is a deficient number, since it is larger than the sum of its proper divisors (36462223).

252564977 is an equidigital number, since it uses as much as digits as its factorization.

252564977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47695.

The product of its digits is 1058400, while the sum is 47.

The square root of 252564977 is about 15892.2930063600. The cubic root of 252564977 is about 632.1076441987.

The spelling of 252564977 in words is "two hundred fifty-two million, five hundred sixty-four thousand, nine hundred seventy-seven".