63327631 has 2 divisors, whose sum is σ = 63327632. Its totient is φ = 63327630.

The previous prime is 63327623. The next prime is 63327643. The reversal of 63327631 is 13672336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63327631 - 2³ = 63327623 is a prime.

It is a super-2 number, since 2×63327631² = 8020777696144322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63327593 and 63327602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63327611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31663815 + 31663816.

It is an arithmetic number, because the mean of its divisors is an integer number (31663816).

Almost surely, 2^63327631 is an apocalyptic number.

63327631 is a deficient number, since it is larger than the sum of its proper divisors (1).

63327631 is an equidigital number, since it uses as much as digits as its factorization.

63327631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 31.

The square root of 63327631 is about 7957.8659827871. The cubic root of 63327631 is about 398.5942970347.

Adding to 63327631 its reverse (13672336), we get a palindrome (76999967).

The spelling of 63327631 in words is "sixty-three million, three hundred twenty-seven thousand, six hundred thirty-one".