531314656507 has 2 divisors, whose sum is σ = 531314656508. Its totient is φ = 531314656506.

The previous prime is 531314656309. The next prime is 531314656511. The reversal of 531314656507 is 705656413135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531314656507 - 2²⁷ = 531180438779 is a prime.

It is not a weakly prime, because it can be changed into another prime (531314656517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265657328253 + 265657328254.

It is an arithmetic number, because the mean of its divisors is an integer number (265657328254).

Almost surely, 2^531314656507 is an apocalyptic number.

531314656507 is a deficient number, since it is larger than the sum of its proper divisors (1).

531314656507 is an equidigital number, since it uses as much as digits as its factorization.

531314656507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 531314656507 in words is "five hundred thirty-one billion, three hundred fourteen million, six hundred fifty-six thousand, five hundred seven".