257300163 has 12 divisors (see below), whose sum is σ = 375488568. Its totient is φ = 169764480.

The previous prime is 257300039. The next prime is 257300177. The reversal of 257300163 is 361003752.

It is a happy number.

It is not a de Polignac number, because 257300163 - 2¹⁴ = 257283779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257302163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146493 + ... + 148238.

It is an arithmetic number, because the mean of its divisors is an integer number (31290714).

Almost surely, 2^257300163 is an apocalyptic number.

257300163 is a deficient number, since it is larger than the sum of its proper divisors (118188405).

257300163 is a wasteful number, since it uses less digits than its factorization.

257300163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294834 (or 294831 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 257300163 is about 16040.5786366951. The cubic root of 257300163 is about 636.0335436800.

The spelling of 257300163 in words is "two hundred fifty-seven million, three hundred thousand, one hundred sixty-three".