257195196 has 24 divisors (see below), whose sum is σ = 666802640. Its totient is φ = 85731696.

The previous prime is 257195149. The next prime is 257195231. The reversal of 257195196 is 691591752.

It is a super-2 number, since 2×257195196² = 132298737690956832, 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190611 + ... + 1190826.

Almost surely, 2^257195196 is an apocalyptic number.

It is an amenable number.

257195196 is an abundant number, since it is smaller than the sum of its proper divisors (409607444).

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

257195196 is a wasteful number, since it uses less digits than its factorization.

257195196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381450 (or 2381442 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 257195196 is about 16037.3063823075. The cubic root of 257195196 is about 635.9470408021.

The spelling of 257195196 in words is "two hundred fifty-seven million, one hundred ninety-five thousand, one hundred ninety-six".