254957 has 4 divisors (see below), whose sum is σ = 256956. Its totient is φ = 252960.

The previous prime is 254941. The next prime is 254959. The reversal of 254957 is 759452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48841 + 206116 = 221^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 254957 - 2⁴ = 254941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (64239).

2²⁵⁴⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

254957 is a deficient number, since it is larger than the sum of its proper divisors (1999).

254957 is a wasteful number, since it uses less digits than its factorization.

254957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its digits is 12600, while the sum is 32.

The square root of 254957 is about 504.9326687787. The cubic root of 254957 is about 63.4096924482.

The spelling of 254957 in words is "two hundred fifty-four thousand, nine hundred fifty-seven".