63325631 has 2 divisors, whose sum is σ = 63325632. Its totient is φ = 63325630.

The previous prime is 63325609. The next prime is 63325709. The reversal of 63325631 is 13652336.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63325631 - 2¹⁴ = 63309247 is a prime.

It is a super-2 number, since 2×63325631² = 8020271083096322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 63325594 and 63325603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63325331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31662815 + 31662816.

It is an arithmetic number, because the mean of its divisors is an integer number (31662816).

Almost surely, 2^63325631 is an apocalyptic number.

63325631 is a deficient number, since it is larger than the sum of its proper divisors (1).

63325631 is an equidigital number, since it uses as much as digits as its factorization.

63325631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 63325631 is about 7957.7403199652. The cubic root of 63325631 is about 398.5901008833.

Adding to 63325631 its reverse (13652336), we get a palindrome (76977967).

The spelling of 63325631 in words is "sixty-three million, three hundred twenty-five thousand, six hundred thirty-one".