63105079 has 2 divisors, whose sum is σ = 63105080. Its totient is φ = 63105078.

The previous prime is 63105059. The next prime is 63105143. The reversal of 63105079 is 97050136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63105079 - 2⁵ = 63105047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63105079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63105059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31552539 + 31552540.

It is an arithmetic number, because the mean of its divisors is an integer number (31552540).

Almost surely, 2^63105079 is an apocalyptic number.

63105079 is a deficient number, since it is larger than the sum of its proper divisors (1).

63105079 is an equidigital number, since it uses as much as digits as its factorization.

63105079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 63105079 is about 7943.8705301635. The cubic root of 63105079 is about 398.1268229624.

The spelling of 63105079 in words is "sixty-three million, one hundred five thousand, seventy-nine".