63116539 has 2 divisors, whose sum is σ = 63116540. Its totient is φ = 63116538.

The previous prime is 63116503. The next prime is 63116551. The reversal of 63116539 is 93561136.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63116539 is a prime.

It is not a weakly prime, because it can be changed into another prime (63116569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558269 + 31558270.

It is an arithmetic number, because the mean of its divisors is an integer number (31558270).

Almost surely, 2^63116539 is an apocalyptic number.

63116539 is a deficient number, since it is larger than the sum of its proper divisors (1).

63116539 is an equidigital number, since it uses as much as digits as its factorization.

63116539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 63116539 is about 7944.5918082681. The cubic root of 63116539 is about 398.1509216947.

The spelling of 63116539 in words is "sixty-three million, one hundred sixteen thousand, five hundred thirty-nine".