63315407 has 2 divisors, whose sum is σ = 63315408. Its totient is φ = 63315406.

The previous prime is 63315397. The next prime is 63315487. The reversal of 63315407 is 70451336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63315407 - 2¹⁶ = 63249871 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63315407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63315487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31657703 + 31657704.

It is an arithmetic number, because the mean of its divisors is an integer number (31657704).

Almost surely, 2^63315407 is an apocalyptic number.

63315407 is a deficient number, since it is larger than the sum of its proper divisors (1).

63315407 is an equidigital number, since it uses as much as digits as its factorization.

63315407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 63315407 is about 7957.0979006168. The cubic root of 63315407 is about 398.5686487769.

The spelling of 63315407 in words is "sixty-three million, three hundred fifteen thousand, four hundred seven".