63290505 has 16 divisors (see below), whose sum is σ = 101749824. Its totient is φ = 33593280.

The previous prime is 63290483. The next prime is 63290519. The reversal of 63290505 is 50509236.

It is not a de Polignac number, because 63290505 - 2⁷ = 63290377 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6834 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (6359364).

Almost surely, 2^63290505 is an apocalyptic number.

It is an amenable number.

63290505 is a deficient number, since it is larger than the sum of its proper divisors (38459319).

63290505 is a wasteful number, since it uses less digits than its factorization.

63290505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 63290505 is about 7955.5329802597. The cubic root of 63290505 is about 398.5163894694.

The spelling of 63290505 in words is "sixty-three million, two hundred ninety thousand, five hundred five".