257480082 has 24 divisors (see below), whose sum is σ = 571481820. Its totient is φ = 83733120.

The previous prime is 257480051. The next prime is 257480089. The reversal of 257480082 is 280084752.

It is a happy number.

257480082 is a `hidden beast` number, since 2 + 574 + 8 + 0 + 0 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 197711721 + 59768361 = 14061^2 + 7731^2 .

It is not an unprimeable number, because it can be changed into a prime (257480089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173707 + ... + 175182.

Almost surely, 2^257480082 is an apocalyptic number.

257480082 is an abundant number, since it is smaller than the sum of its proper divisors (314001738).

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

257480082 is a wasteful number, since it uses less digits than its factorization.

257480082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348938 (or 348935 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 257480082 is about 16046.1859019519. The cubic root of 257480082 is about 636.1817594903.

The spelling of 257480082 in words is "two hundred fifty-seven million, four hundred eighty thousand, eighty-two".