531768897 has 12 divisors (see below), whose sum is σ = 837939024. Its totient is φ = 322284120.

The previous prime is 531768877. The next prime is 531768899. The reversal of 531768897 is 798867135.

It is not a de Polignac number, because 531768897 - 2⁸ = 531768641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531768899) 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, 2685603 + ... + 2685800.

It is an arithmetic number, because the mean of its divisors is an integer number (69828252).

Almost surely, 2^531768897 is an apocalyptic number.

It is an amenable number.

531768897 is a deficient number, since it is larger than the sum of its proper divisors (306170127).

531768897 is a wasteful number, since it uses less digits than its factorization.

531768897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371420 (or 5371417 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 531768897 is about 23060.1148522725. The cubic root of 531768897 is about 810.1665546848.

The spelling of 531768897 in words is "five hundred thirty-one million, seven hundred sixty-eight thousand, eight hundred ninety-seven".