257295 has 16 divisors (see below), whose sum is σ = 436320. Its totient is φ = 129024.

The previous prime is 257293. The next prime is 257297. The reversal of 257295 is 592752.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (257293) and next prime (257297).

It is not a de Polignac number, because 257295 - 2¹ = 257293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257293) 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, 250 + ... + 759.

It is an arithmetic number, because the mean of its divisors is an integer number (27270).

2²⁵⁷²⁹⁵ is an apocalyptic number.

257295 is a deficient number, since it is larger than the sum of its proper divisors (179025).

257295 is a wasteful number, since it uses less digits than its factorization.

257295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its digits is 6300, while the sum is 30.

The square root of 257295 is about 507.2425455342. The cubic root of 257295 is about 63.6029289423.

The spelling of 257295 in words is "two hundred fifty-seven thousand, two hundred ninety-five".