257461703 has 4 divisors (see below), whose sum is σ = 257572128. Its totient is φ = 257351280.

The previous prime is 257461679. The next prime is 257461709. The reversal of 257461703 is 307164752.

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

It is a cyclic number.

It is not a de Polignac number, because 257461703 - 2¹⁴ = 257445319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257461709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51638 + ... + 56403.

It is an arithmetic number, because the mean of its divisors is an integer number (64393032).

Almost surely, 2^257461703 is an apocalyptic number.

257461703 is a deficient number, since it is larger than the sum of its proper divisors (110425).

257461703 is a wasteful number, since it uses less digits than its factorization.

257461703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110424.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 257461703 is about 16045.6132011214. The cubic root of 257461703 is about 636.1666221863.

The spelling of 257461703 in words is "two hundred fifty-seven million, four hundred sixty-one thousand, seven hundred three".