63315290 has 8 divisors (see below), whose sum is σ = 113967540. Its totient is φ = 25326112.

The previous prime is 63315289. The next prime is 63315311. The reversal of 63315290 is 9251336.

It can be written as a sum of positive squares in 2 ways, for example, as 62742241 + 573049 = 7921^2 + 757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165755 + ... + 3165774.

Almost surely, 2^63315290 is an apocalyptic number.

63315290 is a deficient number, since it is larger than the sum of its proper divisors (50652250).

63315290 is a wasteful number, since it uses less digits than its factorization.

63315290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331536.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 63315290 is about 7957.0905486867. The cubic root of 63315290 is about 398.5684032729.

The spelling of 63315290 in words is "sixty-three million, three hundred fifteen thousand, two hundred ninety".