531662641 has 16 divisors (see below), whose sum is σ = 597068928. Its totient is φ = 470764800.

The previous prime is 531662611. The next prime is 531662669. The reversal of 531662641 is 146266135.

It is a cyclic number.

It is not a de Polignac number, because 531662641 - 2⁵ = 531662609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531662597 and 531662606.

It is not an unprimeable number, because it can be changed into a prime (531662611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12706 + ... + 34996.

It is an arithmetic number, because the mean of its divisors is an integer number (37316808).

Almost surely, 2^531662641 is an apocalyptic number.

It is an amenable number.

531662641 is a deficient number, since it is larger than the sum of its proper divisors (65406287).

531662641 is a wasteful number, since it uses less digits than its factorization.

531662641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22392.

The product of its digits is 25920, while the sum is 34.

The square root of 531662641 is about 23057.8108457850. The cubic root of 531662641 is about 810.1125896433.

The spelling of 531662641 in words is "five hundred thirty-one million, six hundred sixty-two thousand, six hundred forty-one".