257675 has 12 divisors (see below), whose sum is σ = 348936. Its totient is φ = 187200.

The previous prime is 257671. The next prime is 257687. The reversal of 257675 is 576752.

It is a happy number.

It is not a de Polignac number, because 257675 - 2² = 257671 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 257675.

It is not an unprimeable number, because it can be changed into a prime (257671) 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, 194 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (29078).

2²⁵⁷⁶⁷⁵ is an apocalyptic number.

257675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257675 is a deficient number, since it is larger than the sum of its proper divisors (91261).

257675 is a wasteful number, since it uses less digits than its factorization.

257675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 953 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 257675 is about 507.6169815914. The cubic root of 257675 is about 63.6342253456.

The spelling of 257675 in words is "two hundred fifty-seven thousand, six hundred seventy-five".