257472051 has 16 divisors (see below), whose sum is σ = 358974720. Its totient is φ = 163840160.

The previous prime is 257472049. The next prime is 257472101. The reversal of 257472051 is 150274752.

It is a cyclic number.

It is not a de Polignac number, because 257472051 - 2¹ = 257472049 is a prime.

It is a super-2 number, since 2×257472051² = 132583714092293202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (257472031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31456 + ... + 38786.

It is an arithmetic number, because the mean of its divisors is an integer number (22435920).

Almost surely, 2^257472051 is an apocalyptic number.

257472051 is a deficient number, since it is larger than the sum of its proper divisors (101502669).

257472051 is a wasteful number, since it uses less digits than its factorization.

257472051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 257472051 is about 16045.9356536165. The cubic root of 257472051 is about 636.1751450902.

The spelling of 257472051 in words is "two hundred fifty-seven million, four hundred seventy-two thousand, fifty-one".