257001292 has 12 divisors (see below), whose sum is σ = 450980320. Its totient is φ = 128149776.

The previous prime is 257001281. The next prime is 257001317. The reversal of 257001292 is 292100752.

257001292 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 257001292.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86067 + ... + 89002.

Almost surely, 2^257001292 is an apocalyptic number.

It is an amenable number.

257001292 is a deficient number, since it is larger than the sum of its proper divisors (193979028).

257001292 is a wasteful number, since it uses less digits than its factorization.

257001292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175440 (or 175438 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 257001292 is about 16031.2598382036. The cubic root of 257001292 is about 635.7871833875.

The spelling of 257001292 in words is "two hundred fifty-seven million, one thousand, two hundred ninety-two".