531717463 has 2 divisors, whose sum is σ = 531717464. Its totient is φ = 531717462.

The previous prime is 531717457. The next prime is 531717497. The reversal of 531717463 is 364717135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531717463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531717863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265858731 + 265858732.

It is an arithmetic number, because the mean of its divisors is an integer number (265858732).

Almost surely, 2^531717463 is an apocalyptic number.

531717463 is a deficient number, since it is larger than the sum of its proper divisors (1).

531717463 is an equidigital number, since it uses as much as digits as its factorization.

531717463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 531717463 is about 23058.9996096969. Note that the first 3 decimals coincide. The cubic root of 531717463 is about 810.1404334064.

The spelling of 531717463 in words is "five hundred thirty-one million, seven hundred seventeen thousand, four hundred sixty-three".