257248052 has 12 divisors (see below), whose sum is σ = 456525216. Its totient is φ = 126812280.

The previous prime is 257248039. The next prime is 257248081. The reversal of 257248052 is 250842752.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452618 + ... + 453185.

It is an arithmetic number, because the mean of its divisors is an integer number (38043768).

Almost surely, 2^257248052 is an apocalyptic number.

It is an amenable number.

257248052 is a deficient number, since it is larger than the sum of its proper divisors (199277164).

257248052 is a wasteful number, since it uses less digits than its factorization.

257248052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905878 (or 905876 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 257248052 is about 16038.9542053090. The cubic root of 257248052 is about 635.9906021580.

The spelling of 257248052 in words is "two hundred fifty-seven million, two hundred forty-eight thousand, fifty-two".