257141711 has 4 divisors (see below), whose sum is σ = 272267712. Its totient is φ = 242015712.

The previous prime is 257141699. The next prime is 257141713. The reversal of 257141711 is 117141752.

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 257141711 - 2¹⁴ = 257125327 is a prime.

It is a super-2 number, since 2×257141711² = 132243719072015042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257141713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7562975 + ... + 7563008.

It is an arithmetic number, because the mean of its divisors is an integer number (68066928).

Almost surely, 2^257141711 is an apocalyptic number.

257141711 is a deficient number, since it is larger than the sum of its proper divisors (15126001).

257141711 is a wasteful number, since it uses less digits than its factorization.

257141711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126000.

The product of its digits is 1960, while the sum is 29.

The square root of 257141711 is about 16035.6387774232. The cubic root of 257141711 is about 635.9029549793.

The spelling of 257141711 in words is "two hundred fifty-seven million, one hundred forty-one thousand, seven hundred eleven".