252260612605 has 16 divisors (see below), whose sum is σ = 321233266800. Its totient is φ = 189514350592.

The previous prime is 252260612579. The next prime is 252260612671. The reversal of 252260612605 is 506216062252.

It can be written as a sum of positive squares in 8 ways, for example, as 32596858116 + 219663754489 = 180546^2 + 468683^2 .

It is not a de Polignac number, because 252260612605 - 2⁵ = 252260612573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3266704 + ... + 3343033.

It is an arithmetic number, because the mean of its divisors is an integer number (20077079175).

Almost surely, 2^252260612605 is an apocalyptic number.

It is an amenable number.

252260612605 is a deficient number, since it is larger than the sum of its proper divisors (68972654195).

252260612605 is a wasteful number, since it uses less digits than its factorization.

252260612605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610208.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 252260612605 its reverse (506216062252), we get a palindrome (758476674857).

The spelling of 252260612605 in words is "two hundred fifty-two billion, two hundred sixty million, six hundred twelve thousand, six hundred five".