257400025675 has 48 divisors (see below), whose sum is σ = 346100799520. Its totient is φ = 189893808000.

The previous prime is 257400025669. The next prime is 257400025681. The reversal of 257400025675 is 576520004752.

It is an interprime number because it is at equal distance from previous prime (257400025669) and next prime (257400025681).

It is a de Polignac number, because none of the positive numbers 2^k-257400025675 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84088645 + ... + 84091705.

Almost surely, 2^257400025675 is an apocalyptic number.

257400025675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257400025675 is a deficient number, since it is larger than the sum of its proper divisors (88700773845).

257400025675 is a wasteful number, since it uses less digits than its factorization.

257400025675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 257400025675 in words is "two hundred fifty-seven billion, four hundred million, twenty-five thousand, six hundred seventy-five".