257101163 has 12 divisors (see below), whose sum is σ = 282986760. Its totient is φ = 233407680.

The previous prime is 257101157. The next prime is 257101181. The reversal of 257101163 is 361101752.

It is not a de Polignac number, because 257101163 - 2⁴ = 257101147 is a prime.

It is a super-2 number, since 2×257101163² = 132202016031905138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257101133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171923 + ... + 173411.

It is an arithmetic number, because the mean of its divisors is an integer number (23582230).

Almost surely, 2^257101163 is an apocalyptic number.

257101163 is a deficient number, since it is larger than the sum of its proper divisors (25885597).

257101163 is a wasteful number, since it uses less digits than its factorization.

257101163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 257101163 is about 16034.3744187293. The cubic root of 257101163 is about 635.8695286008.

The spelling of 257101163 in words is "two hundred fifty-seven million, one hundred one thousand, one hundred sixty-three".