252752637765 has 16 divisors (see below), whose sum is σ = 411033799296. Its totient is φ = 132591547200.

The previous prime is 252752637763. The next prime is 252752637793. The reversal of 252752637765 is 567736257252.

It is not a de Polignac number, because 252752637765 - 2¹ = 252752637763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252752637763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138115281 + ... + 138117110.

It is an arithmetic number, because the mean of its divisors is an integer number (25689612456).

Almost surely, 2^252752637765 is an apocalyptic number.

It is an amenable number.

252752637765 is a deficient number, since it is larger than the sum of its proper divisors (158281161531).

252752637765 is a wasteful number, since it uses less digits than its factorization.

252752637765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276232460.

The product of its digits is 37044000, while the sum is 57.

The spelling of 252752637765 in words is "two hundred fifty-two billion, seven hundred fifty-two million, six hundred thirty-seven thousand, seven hundred sixty-five".