257525068 has 6 divisors (see below), whose sum is σ = 450668876. Its totient is φ = 128762532.

The previous prime is 257525041. The next prime is 257525071. The reversal of 257525068 is 860525752.

257525068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 257525068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32190630 + ... + 32190637.

Almost surely, 2^257525068 is an apocalyptic number.

It is an amenable number.

257525068 is a deficient number, since it is larger than the sum of its proper divisors (193143808).

257525068 is a wasteful number, since it uses less digits than its factorization.

257525068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64381271 (or 64381269 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 257525068 is about 16047.5876068648. The cubic root of 257525068 is about 636.2188078007.

The spelling of 257525068 in words is "two hundred fifty-seven million, five hundred twenty-five thousand, sixty-eight".