531123466 has 8 divisors (see below), whose sum is σ = 796980420. Its totient is φ = 265463328.

The previous prime is 531123457. The next prime is 531123479. The reversal of 531123466 is 664321135.

It can be written as a sum of positive squares in 2 ways, for example, as 388917841 + 142205625 = 19721^2 + 11925^2 .

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

It is a super-2 number, since 2×531123466² = 564184272271706312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42261 + ... + 53368.

Almost surely, 2^531123466 is an apocalyptic number.

531123466 is a deficient number, since it is larger than the sum of its proper divisors (265856954).

531123466 is a wasteful number, since it uses less digits than its factorization.

531123466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98408.

The product of its digits is 12960, while the sum is 31.

The square root of 531123466 is about 23046.1160719111. The cubic root of 531123466 is about 809.8386438740.

The spelling of 531123466 in words is "five hundred thirty-one million, one hundred twenty-three thousand, four hundred sixty-six".