257250704 has 10 divisors (see below), whose sum is σ = 498423270. Its totient is φ = 128625344.

The previous prime is 257250691. The next prime is 257250767. The reversal of 257250704 is 407052752.

257250704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 229583104 + 27667600 = 15152^2 + 5260^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8039069 + ... + 8039100.

It is an arithmetic number, because the mean of its divisors is an integer number (49842327).

Almost surely, 2^257250704 is an apocalyptic number.

It is an amenable number.

257250704 is a deficient number, since it is larger than the sum of its proper divisors (241172566).

257250704 is a wasteful number, since it uses less digits than its factorization.

257250704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16078177 (or 16078171 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 257250704 is about 16039.0368788154. The cubic root of 257250704 is about 635.9927876508.

The spelling of 257250704 in words is "two hundred fifty-seven million, two hundred fifty thousand, seven hundred four".