531106764 has 12 divisors (see below), whose sum is σ = 1239249144. Its totient is φ = 177035584.

The previous prime is 531106759. The next prime is 531106801. The reversal of 531106764 is 467601135.

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

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, 22129437 + ... + 22129460.

It is an arithmetic number, because the mean of its divisors is an integer number (103270762).

Almost surely, 2^531106764 is an apocalyptic number.

It is an amenable number.

531106764 is an abundant number, since it is smaller than the sum of its proper divisors (708142380).

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

531106764 is a wasteful number, since it uses less digits than its factorization.

531106764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44258904 (or 44258902 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 531106764 is about 23045.7537086553. The cubic root of 531106764 is about 809.8301549082.

Adding to 531106764 its reverse (467601135), we get a palindrome (998707899).

The spelling of 531106764 in words is "five hundred thirty-one million, one hundred six thousand, seven hundred sixty-four".