257842114 has 4 divisors (see below), whose sum is σ = 386763174. Its totient is φ = 128921056.

The previous prime is 257842093. The next prime is 257842133. The reversal of 257842114 is 411248752.

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

It can be written as a sum of positive squares in only one way, i.e., 256480225 + 1361889 = 16015^2 + 1167^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 257842114.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64460527 + ... + 64460530.

Almost surely, 2^257842114 is an apocalyptic number.

257842114 is a deficient number, since it is larger than the sum of its proper divisors (128921060).

257842114 is a wasteful number, since it uses less digits than its factorization.

257842114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128921059.

The product of its digits is 17920, while the sum is 34.

The square root of 257842114 is about 16057.4628755604. The cubic root of 257842114 is about 636.4797893939.

The spelling of 257842114 in words is "two hundred fifty-seven million, eight hundred forty-two thousand, one hundred fourteen".