631875132563 has 2 divisors, whose sum is σ = 631875132564. Its totient is φ = 631875132562.

The previous prime is 631875132547. The next prime is 631875132569. The reversal of 631875132563 is 365231578136.

631875132563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 631875132563 - 2⁴ = 631875132547 is a prime.

It is not a weakly prime, because it can be changed into another prime (631875132569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315937566281 + 315937566282.

It is an arithmetic number, because the mean of its divisors is an integer number (315937566282).

Almost surely, 2^631875132563 is an apocalyptic number.

631875132563 is a deficient number, since it is larger than the sum of its proper divisors (1).

631875132563 is an equidigital number, since it uses as much as digits as its factorization.

631875132563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 631875132563 in words is "six hundred thirty-one billion, eight hundred seventy-five million, one hundred thirty-two thousand, five hundred sixty-three".