257513626562703 has 32 divisors (see below), whose sum is σ = 409560692007936. Its totient is φ = 140719091470848.

The previous prime is 257513626562701. The next prime is 257513626562713. The reversal of 257513626562703 is 307265626315752.

It is not a de Polignac number, because 257513626562703 - 2¹ = 257513626562701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257513626562701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61802776 + ... + 65837757.

It is an arithmetic number, because the mean of its divisors is an integer number (12798771625248).

Almost surely, 2^{257513626562703} is an apocalyptic number.

257513626562703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

257513626562703 is a deficient number, since it is larger than the sum of its proper divisors (152047065445233).

257513626562703 is a wasteful number, since it uses less digits than its factorization.

257513626562703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127644743.

The product of its (nonzero) digits is 95256000, while the sum is 60.

The spelling of 257513626562703 in words is "two hundred fifty-seven trillion, five hundred thirteen billion, six hundred twenty-six million, five hundred sixty-two thousand, seven hundred three".