531214641 has 12 divisors (see below), whose sum is σ = 767744068. Its totient is φ = 353942784.

The previous prime is 531214627. The next prime is 531214669. The reversal of 531214641 is 146412135.

It is a happy number.

531214641 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 14 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5475600 + 525739041 = 2340^2 + 22929^2 .

It is not a de Polignac number, because 531214641 - 2⁶ = 531214577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531214241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101 + ... + 32613.

Almost surely, 2^531214641 is an apocalyptic number.

It is an amenable number.

531214641 is a deficient number, since it is larger than the sum of its proper divisors (236529427).

531214641 is a wasteful number, since it uses less digits than its factorization.

531214641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33392 (or 33389 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 531214641 is about 23048.0940860627. The cubic root of 531214641 is about 809.8849813821.

Adding to 531214641 its reverse (146412135), we get a palindrome (677626776).

The spelling of 531214641 in words is "five hundred thirty-one million, two hundred fourteen thousand, six hundred forty-one".