252965319831 has 12 divisors (see below), whose sum is σ = 417593543952. Its totient is φ = 144551611296.

The previous prime is 252965319829. The next prime is 252965319833. The reversal of 252965319831 is 138913569252.

252965319831 is a `hidden beast` number, since 2 + 5 + 29 + 6 + 531 + 9 + 83 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (252965319829) and next prime (252965319833).

It is not a de Polignac number, because 252965319831 - 2¹ = 252965319829 is a prime.

It is a super-2 number, since 2×252965319831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252965319833) 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, 2007661206 + ... + 2007661331.

It is an arithmetic number, because the mean of its divisors is an integer number (34799461996).

Almost surely, 2^252965319831 is an apocalyptic number.

252965319831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252965319831 is a deficient number, since it is larger than the sum of its proper divisors (164628224121).

252965319831 is a wasteful number, since it uses less digits than its factorization.

252965319831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015322550 (or 4015322547 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 252965319831 in words is "two hundred fifty-two billion, nine hundred sixty-five million, three hundred nineteen thousand, eight hundred thirty-one".