531699492 has 12 divisors (see below), whose sum is σ = 1240632176. Its totient is φ = 177233160.

The previous prime is 531699491. The next prime is 531699499. The reversal of 531699492 is 294996135.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (531699491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22154134 + ... + 22154157.

Almost surely, 2^531699492 is an apocalyptic number.

It is an amenable number.

531699492 is an abundant number, since it is smaller than the sum of its proper divisors (708932684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531699492 is a wasteful number, since it uses less digits than its factorization.

531699492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44308298 (or 44308296 counting only the distinct ones).

The product of its digits is 524880, while the sum is 48.

The square root of 531699492 is about 23058.6099320839. The cubic root of 531699492 is about 810.1313062548.

The spelling of 531699492 in words is "five hundred thirty-one million, six hundred ninety-nine thousand, four hundred ninety-two".