531667297 has 12 divisors (see below), whose sum is σ = 619714260. Its totient is φ = 454798176.

The previous prime is 531667261. The next prime is 531667303. The reversal of 531667297 is 792766135.

It can be written as a sum of positive squares in 2 ways, for example, as 503957601 + 27709696 = 22449^2 + 5264^2 .

It is a de Polignac number, because none of the positive numbers 2^k-531667297 is a prime.

It is a super-2 number, since 2×531667297² = 565340229398572418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531667217) 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, 14283 + ... + 35599.

It is an arithmetic number, because the mean of its divisors is an integer number (51642855).

Almost surely, 2^531667297 is an apocalyptic number.

It is an amenable number.

531667297 is a deficient number, since it is larger than the sum of its proper divisors (88046963).

531667297 is a wasteful number, since it uses less digits than its factorization.

531667297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21840 (or 21833 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 531667297 is about 23057.9118091817. The cubic root of 531667297 is about 810.1149544720.

The spelling of 531667297 in words is "five hundred thirty-one million, six hundred sixty-seven thousand, two hundred ninety-seven".