531530492 has 12 divisors (see below), whose sum is σ = 934999296. Its totient is φ = 264387840.

The previous prime is 531530479. The next prime is 531530501. The reversal of 531530492 is 294035135.

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, 343484 + ... + 345027.

It is an arithmetic number, because the mean of its divisors is an integer number (77916608).

Almost surely, 2^531530492 is an apocalyptic number.

It is an amenable number.

531530492 is a deficient number, since it is larger than the sum of its proper divisors (403468804).

531530492 is a wasteful number, since it uses less digits than its factorization.

531530492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688708 (or 688706 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 531530492 is about 23054.9450660807. The cubic root of 531530492 is about 810.0454640945.

The spelling of 531530492 in words is "five hundred thirty-one million, five hundred thirty thousand, four hundred ninety-two".