257314402 has 4 divisors (see below), whose sum is σ = 385971606. Its totient is φ = 128657200.

The previous prime is 257314339. The next prime is 257314411. The reversal of 257314402 is 204413752.

257314402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207907561 + 49406841 = 14419^2 + 7029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64328599 + ... + 64328602.

Almost surely, 2^257314402 is an apocalyptic number.

257314402 is a deficient number, since it is larger than the sum of its proper divisors (128657204).

257314402 is a wasteful number, since it uses less digits than its factorization.

257314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128657203.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 257314402 is about 16041.0224736455. The cubic root of 257314402 is about 636.0452761697.

The spelling of 257314402 in words is "two hundred fifty-seven million, three hundred fourteen thousand, four hundred two".