257273116 has 12 divisors (see below), whose sum is σ = 450386440. Its totient is φ = 128591280.

The previous prime is 257273083. The next prime is 257273117. The reversal of 257273116 is 611372752.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257273117) 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, 3670 + ... + 22978.

Almost surely, 2^257273116 is an apocalyptic number.

It is an amenable number.

257273116 is a deficient number, since it is larger than the sum of its proper divisors (193113324).

257273116 is a wasteful number, since it uses less digits than its factorization.

257273116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644 (or 22642 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 257273116 is about 16039.7355339794. The cubic root of 257273116 is about 636.0112566076.

The spelling of 257273116 in words is "two hundred fifty-seven million, two hundred seventy-three thousand, one hundred sixteen".