257682050 has 12 divisors (see below), whose sum is σ = 479288706. Its totient is φ = 103072800.

The previous prime is 257681989. The next prime is 257682053. The reversal of 257682050 is 50286752.

It can be written as a sum of positive squares in 3 ways, for example, as 153784801 + 103897249 = 12401^2 + 10193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 257682050.

It is not an unprimeable number, because it can be changed into a prime (257682053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2576771 + ... + 2576870.

Almost surely, 2^257682050 is an apocalyptic number.

257682050 is a deficient number, since it is larger than the sum of its proper divisors (221606656).

257682050 is a wasteful number, since it uses less digits than its factorization.

257682050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153653 (or 5153648 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 257682050 is about 16052.4780018538. The cubic root of 257682050 is about 636.3480568542.

The spelling of 257682050 in words is "two hundred fifty-seven million, six hundred eighty-two thousand, fifty".