257254028 has 6 divisors (see below), whose sum is σ = 450194556. Its totient is φ = 128627012.

The previous prime is 257254009. The next prime is 257254031. The reversal of 257254028 is 820452752.

257254028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32156750 + ... + 32156757.

It is an arithmetic number, because the mean of its divisors is an integer number (75032426).

Almost surely, 2^257254028 is an apocalyptic number.

It is an amenable number.

257254028 is a deficient number, since it is larger than the sum of its proper divisors (192940528).

257254028 is a wasteful number, since it uses less digits than its factorization.

257254028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64313511 (or 64313509 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 257254028 is about 16039.1405006627. The cubic root of 257254028 is about 635.9955269124.

The spelling of 257254028 in words is "two hundred fifty-seven million, two hundred fifty-four thousand, twenty-eight".