531046556 has 12 divisors (see below), whose sum is σ = 943202568. Its totient is φ = 261560112.

The previous prime is 531046543. The next prime is 531046567. The reversal of 531046556 is 655640135.

It is a super-2 number, since 2×531046556² = 564020889278922272, which contains 22 as substring.

It is a congruent number.

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, 990491 + ... + 991026.

It is an arithmetic number, because the mean of its divisors is an integer number (78600214).

Almost surely, 2^531046556 is an apocalyptic number.

It is an amenable number.

531046556 is a deficient number, since it is larger than the sum of its proper divisors (412156012).

531046556 is a wasteful number, since it uses less digits than its factorization.

531046556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981588 (or 1981586 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 531046556 is about 23044.4474006213. The cubic root of 531046556 is about 809.7995520867.

The spelling of 531046556 in words is "five hundred thirty-one million, forty-six thousand, five hundred fifty-six".