63716231 has 2 divisors, whose sum is σ = 63716232. Its totient is φ = 63716230.

The previous prime is 63716227. The next prime is 63716267. The reversal of 63716231 is 13261736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63716231 - 2² = 63716227 is a prime.

It is a super-2 number, since 2×63716231² = 8119516185690722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63716194 and 63716203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63716431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31858115 + 31858116.

It is an arithmetic number, because the mean of its divisors is an integer number (31858116).

Almost surely, 2^63716231 is an apocalyptic number.

63716231 is a deficient number, since it is larger than the sum of its proper divisors (1).

63716231 is an equidigital number, since it uses as much as digits as its factorization.

63716231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 63716231 is about 7982.2447344090. The cubic root of 63716231 is about 399.4079386742.

Adding to 63716231 its reverse (13261736), we get a palindrome (76977967).

The spelling of 63716231 in words is "sixty-three million, seven hundred sixteen thousand, two hundred thirty-one".