257048604 has 36 divisors (see below), whose sum is σ = 660780120. Its totient is φ = 84229920.

The previous prime is 257048581. The next prime is 257048609. The reversal of 257048604 is 406840752.

257048604 is a `hidden beast` number, since 2 + 5 + 7 + 0 + 48 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257048609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58387 + ... + 62634.

Almost surely, 2^257048604 is an apocalyptic number.

It is an amenable number.

257048604 is an abundant number, since it is smaller than the sum of its proper divisors (403731516).

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

257048604 is a wasteful number, since it uses less digits than its factorization.

257048604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121090 (or 121085 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 257048604 is about 16032.7353873255. The cubic root of 257048604 is about 635.8261955358.

The spelling of 257048604 in words is "two hundred fifty-seven million, forty-eight thousand, six hundred four".