257482298 has 8 divisors (see below), whose sum is σ = 388593408. Its totient is φ = 127951164.

The previous prime is 257482283. The next prime is 257482327. The reversal of 257482298 is 892284752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394586 + ... + 395237.

It is an arithmetic number, because the mean of its divisors is an integer number (48574176).

Almost surely, 2^257482298 is an apocalyptic number.

257482298 is a deficient number, since it is larger than the sum of its proper divisors (131111110).

257482298 is a wasteful number, since it uses less digits than its factorization.

257482298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789988.

The product of its digits is 645120, while the sum is 47.

The square root of 257482298 is about 16046.2549524803. The cubic root of 257482298 is about 636.1835845826.

The spelling of 257482298 in words is "two hundred fifty-seven million, four hundred eighty-two thousand, two hundred ninety-eight".