257117060 has 24 divisors (see below), whose sum is σ = 541066176. Its totient is φ = 102633440.

The previous prime is 257117059. The next prime is 257117071. The reversal of 257117060 is 60711752.

257117060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×257117060² = 132218365086087200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (22544424).

Almost surely, 2^257117060 is an apocalyptic number.

257117060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257117060 is an abundant number, since it is smaller than the sum of its proper divisors (283949116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257117060 is a wasteful number, since it uses less digits than its factorization.

257117060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26683 (or 26681 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 257117060 is about 16034.8701273194. The cubic root of 257117060 is about 635.8826339604.

The spelling of 257117060 in words is "two hundred fifty-seven million, one hundred seventeen thousand, sixty".