63715319 has 2 divisors, whose sum is σ = 63715320. Its totient is φ = 63715318.

The previous prime is 63715297. The next prime is 63715321. The reversal of 63715319 is 91351736.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63715319 - 2²⁴ = 46938103 is a prime.

It is a super-2 number, since 2×63715319² = 8119283750543522, which contains 22 as substring.

Together with 63715321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63715019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31857659 + 31857660.

It is an arithmetic number, because the mean of its divisors is an integer number (31857660).

Almost surely, 2^63715319 is an apocalyptic number.

63715319 is a deficient number, since it is larger than the sum of its proper divisors (1).

63715319 is an equidigital number, since it uses as much as digits as its factorization.

63715319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 63715319 is about 7982.1876074169. The cubic root of 63715319 is about 399.4060330280.

The spelling of 63715319 in words is "sixty-three million, seven hundred fifteen thousand, three hundred nineteen".