252772965 has 24 divisors (see below), whose sum is σ = 438511320. Its totient is φ = 134697984.

The previous prime is 252772957. The next prime is 252772969. The reversal of 252772965 is 569277252.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 251952129 = 906^2 + 15873^2 .

It is not a de Polignac number, because 252772965 - 2³ = 252772957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 252772965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252772969) 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 23 ways as a sum of consecutive naturals, for example, 95581 + ... + 98189.

It is an arithmetic number, because the mean of its divisors is an integer number (18271305).

Almost surely, 2^252772965 is an apocalyptic number.

It is an amenable number.

252772965 is a deficient number, since it is larger than the sum of its proper divisors (185738355).

252772965 is a wasteful number, since it uses less digits than its factorization.

252772965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773 (or 4770 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 252772965 is about 15898.8353347030. The cubic root of 252772965 is about 632.2811107576.

The spelling of 252772965 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, nine hundred sixty-five".