252624312985 has 16 divisors (see below), whose sum is σ = 350161615872. Its totient is φ = 172919315200.

The previous prime is 252624312977. The next prime is 252624313057. The reversal of 252624312985 is 589213426252.

252624312985 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 252624312985 - 2³ = 252624312977 is a prime.

It is a super-2 number, since 2×252624312985² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135092281 + ... + 135094150.

It is an arithmetic number, because the mean of its divisors is an integer number (21885100992).

Almost surely, 2^252624312985 is an apocalyptic number.

It is an amenable number.

252624312985 is a deficient number, since it is larger than the sum of its proper divisors (97537302887).

252624312985 is a wasteful number, since it uses less digits than its factorization.

252624312985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270186464.

The product of its digits is 2073600, while the sum is 49.

The spelling of 252624312985 in words is "two hundred fifty-two billion, six hundred twenty-four million, three hundred twelve thousand, nine hundred eighty-five".