63348509 has 16 divisors (see below), whose sum is σ = 76412160. Its totient is φ = 51342720.

The previous prime is 63348497. The next prime is 63348517. The reversal of 63348509 is 90584336.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63348509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63348539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12119 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (4775760).

Almost surely, 2^63348509 is an apocalyptic number.

It is an amenable number.

63348509 is a deficient number, since it is larger than the sum of its proper divisors (13063651).

63348509 is a wasteful number, since it uses less digits than its factorization.

63348509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 63348509 is about 7959.1776585273. The cubic root of 63348509 is about 398.6380953855.

The spelling of 63348509 in words is "sixty-three million, three hundred forty-eight thousand, five hundred nine".