257034711 has 4 divisors (see below), whose sum is σ = 342712952. Its totient is φ = 171356472.

The previous prime is 257034703. The next prime is 257034719. The reversal of 257034711 is 117430752.

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

It is an interprime number because it is at equal distance from previous prime (257034703) and next prime (257034719).

It is not a de Polignac number, because 257034711 - 2³ = 257034703 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 (257034719) 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, 42839116 + ... + 42839121.

It is an arithmetic number, because the mean of its divisors is an integer number (85678238).

Almost surely, 2^257034711 is an apocalyptic number.

257034711 is a deficient number, since it is larger than the sum of its proper divisors (85678241).

257034711 is an equidigital number, since it uses as much as digits as its factorization.

257034711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85678240.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 257034711 is about 16032.3021116744. The cubic root of 257034711 is about 635.8147402542.

The spelling of 257034711 in words is "two hundred fifty-seven million, thirty-four thousand, seven hundred eleven".