257250002775 has 48 divisors (see below), whose sum is σ = 426219708288. Its totient is φ = 136910160000.

The previous prime is 257250002753. The next prime is 257250002777. The reversal of 257250002775 is 577200052752.

It is not a de Polignac number, because 257250002775 - 2⁸ = 257250002519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257250002777) by changing a digit.

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, 108497340 + ... + 108499710.

It is an arithmetic number, because the mean of its divisors is an integer number (8879577256).

Almost surely, 2^257250002775 is an apocalyptic number.

257250002775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257250002775 is a deficient number, since it is larger than the sum of its proper divisors (168969705513).

257250002775 is a wasteful number, since it uses less digits than its factorization.

257250002775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 42.

The spelling of 257250002775 in words is "two hundred fifty-seven billion, two hundred fifty million, two thousand, seven hundred seventy-five".