257252533713 has 16 divisors (see below), whose sum is σ = 435559845760. Its totient is φ = 147001447728.

The previous prime is 257252533691. The next prime is 257252533753. The reversal of 257252533713 is 317335252752.

257252533713 is a `hidden beast` number, since 2 + 5 + 7 + 25 + 253 + 371 + 3 = 666.

It is not a de Polignac number, because 257252533713 - 2¹⁴ = 257252517329 is a prime.

It is a super-2 number, since 2×257252533713² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257252533753) 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, 680562070 + ... + 680562447.

It is an arithmetic number, because the mean of its divisors is an integer number (27222490360).

Almost surely, 2^257252533713 is an apocalyptic number.

It is an amenable number.

257252533713 is a deficient number, since it is larger than the sum of its proper divisors (178307312047).

257252533713 is a wasteful number, since it uses less digits than its factorization.

257252533713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361124533 (or 1361124527 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 45.

The spelling of 257252533713 in words is "two hundred fifty-seven billion, two hundred fifty-two million, five hundred thirty-three thousand, seven hundred thirteen".