257533466 has 16 divisors (see below), whose sum is σ = 400269600. Its totient is φ = 124192848.

The previous prime is 257533457. The next prime is 257533487. The reversal of 257533466 is 664335752.

It is a super-2 number, since 2×257533466² = 132646972219946312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14336 + ... + 26843.

It is an arithmetic number, because the mean of its divisors is an integer number (25016850).

Almost surely, 2^257533466 is an apocalyptic number.

257533466 is a deficient number, since it is larger than the sum of its proper divisors (142736134).

257533466 is a wasteful number, since it uses less digits than its factorization.

257533466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41293.

The product of its digits is 453600, while the sum is 41.

The square root of 257533466 is about 16047.8492639980. The cubic root of 257533466 is about 636.2257235125.

The spelling of 257533466 in words is "two hundred fifty-seven million, five hundred thirty-three thousand, four hundred sixty-six".