257562048 has 28 divisors (see below), whose sum is σ = 681466760. Its totient is φ = 85853952.

The previous prime is 257562047. The next prime is 257562049. The reversal of 257562048 is 840265752.

It is an interprime number because it is at equal distance from previous prime (257562047) and next prime (257562049).

It is a junction number, because it is equal to n+sod(n) for n = 257561997 and 257562015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257562047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670543 + ... + 670926.

Almost surely, 2^257562048 is an apocalyptic number.

It is an amenable number.

257562048 is an abundant number, since it is smaller than the sum of its proper divisors (423904712).

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

257562048 is a wasteful number, since it uses less digits than its factorization.

257562048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341484 (or 1341474 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 257562048 is about 16048.7397636076. The cubic root of 257562048 is about 636.2492595229.

The spelling of 257562048 in words is "two hundred fifty-seven million, five hundred sixty-two thousand, forty-eight".