257714711 has 2 divisors, whose sum is σ = 257714712. Its totient is φ = 257714710.

The previous prime is 257714683. The next prime is 257714753. The reversal of 257714711 is 117417752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257714711 - 2⁶ = 257714647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257714111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128857355 + 128857356.

It is an arithmetic number, because the mean of its divisors is an integer number (128857356).

Almost surely, 2^257714711 is an apocalyptic number.

257714711 is a deficient number, since it is larger than the sum of its proper divisors (1).

257714711 is an equidigital number, since it uses as much as digits as its factorization.

257714711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 35.

The square root of 257714711 is about 16053.4952891886. The cubic root of 257714711 is about 636.3749412593.

The spelling of 257714711 in words is "two hundred fifty-seven million, seven hundred fourteen thousand, seven hundred eleven".