257102150 has 12 divisors (see below), whose sum is σ = 478210092. Its totient is φ = 102840840.

The previous prime is 257102149. The next prime is 257102161. The reversal of 257102150 is 51201752.

It is a happy number.

It is a super-2 number, since 2×257102150² = 132203031069245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2570972 + ... + 2571071.

It is an arithmetic number, because the mean of its divisors is an integer number (39850841).

Almost surely, 2^257102150 is an apocalyptic number.

257102150 is a deficient number, since it is larger than the sum of its proper divisors (221107942).

257102150 is a wasteful number, since it uses less digits than its factorization.

257102150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142055 (or 5142050 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 257102150 is about 16034.4051963271. The cubic root of 257102150 is about 635.8703422914.

The spelling of 257102150 in words is "two hundred fifty-seven million, one hundred two thousand, one hundred fifty".