257114318 has 4 divisors (see below), whose sum is σ = 385671480. Its totient is φ = 128557158.

The previous prime is 257114303. The next prime is 257114357. The reversal of 257114318 is 813411752.

257114318 is digitally balanced in base 2, 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 is a super-2 number, since 2×257114318² = 132215545041210248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64278578 + ... + 64278581.

It is an arithmetic number, because the mean of its divisors is an integer number (96417870).

Almost surely, 2^257114318 is an apocalyptic number.

257114318 is a deficient number, since it is larger than the sum of its proper divisors (128557162).

257114318 is a wasteful number, since it uses less digits than its factorization.

257114318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128557161.

The product of its digits is 6720, while the sum is 32.

The square root of 257114318 is about 16034.7846259312. The cubic root of 257114318 is about 635.8803735161.

The spelling of 257114318 in words is "two hundred fifty-seven million, one hundred fourteen thousand, three hundred eighteen".