252520323255 has 24 divisors (see below), whose sum is σ = 453913077072. Its totient is φ = 134677505088.

The previous prime is 252520323233. The next prime is 252520323257. The reversal of 252520323255 is 552323025252.

252520323255 is a `hidden beast` number, since 2 + 52 + 520 + 3 + 2 + 32 + 55 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-252520323255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252520323257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103916614 + ... + 103919043.

It is an arithmetic number, because the mean of its divisors is an integer number (18913044878).

Almost surely, 2^252520323255 is an apocalyptic number.

252520323255 is a deficient number, since it is larger than the sum of its proper divisors (201392753817).

252520323255 is an equidigital number, since it uses as much as digits as its factorization.

252520323255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207835677 (or 207835665 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 252520323255 in words is "two hundred fifty-two billion, five hundred twenty million, three hundred twenty-three thousand, two hundred fifty-five".