257102196 has 48 divisors (see below), whose sum is σ = 663527424. Its totient is φ = 76968576.

The previous prime is 257102191. The next prime is 257102207. The reversal of 257102196 is 691201752.

257102196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×257102196² = 132203078376044832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257102191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16500 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (13823488).

Almost surely, 2^257102196 is an apocalyptic number.

257102196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

257102196 is an abundant number, since it is smaller than the sum of its proper divisors (406425228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257102196 is a wasteful number, since it uses less digits than its factorization.

257102196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44600 (or 44598 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 257102196 is about 16034.4066307425. The cubic root of 257102196 is about 635.8703802142.

The spelling of 257102196 in words is "two hundred fifty-seven million, one hundred two thousand, one hundred ninety-six".