531264619 has 2 divisors, whose sum is σ = 531264620. Its totient is φ = 531264618.

The previous prime is 531264589. The next prime is 531264653. The reversal of 531264619 is 916462135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531264619 is a prime.

It is a super-2 number, since 2×531264619² = 564484190802430322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (531264689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265632309 + 265632310.

It is an arithmetic number, because the mean of its divisors is an integer number (265632310).

Almost surely, 2^531264619 is an apocalyptic number.

531264619 is a deficient number, since it is larger than the sum of its proper divisors (1).

531264619 is an equidigital number, since it uses as much as digits as its factorization.

531264619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 531264619 is about 23049.1782716868. The cubic root of 531264619 is about 809.9103792528.

The spelling of 531264619 in words is "five hundred thirty-one million, two hundred sixty-four thousand, six hundred nineteen".