257875116 has 24 divisors (see below), whose sum is σ = 601970880. Its totient is φ = 85920912.

The previous prime is 257875109. The next prime is 257875133. The reversal of 257875116 is 611578752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45555 + ... + 50901.

It is an arithmetic number, because the mean of its divisors is an integer number (25082120).

Almost surely, 2^257875116 is an apocalyptic number.

It is an amenable number.

257875116 is an abundant number, since it is smaller than the sum of its proper divisors (344095764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257875116 is a wasteful number, since it uses less digits than its factorization.

257875116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373 (or 9371 counting only the distinct ones).

The product of its digits is 117600, while the sum is 42.

The square root of 257875116 is about 16058.4904645487. The cubic root of 257875116 is about 636.5069432331.

It can be divided in two parts, 25787 and 5116, that added together give a palindrome (30903).

The spelling of 257875116 in words is "two hundred fifty-seven million, eight hundred seventy-five thousand, one hundred sixteen".