63500313 has 8 divisors (see below), whose sum is σ = 84892000. Its totient is φ = 42221088.

The previous prime is 63500273. The next prime is 63500347. The reversal of 63500313 is 31300536.

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

It is not a de Polignac number, because 63500313 - 2⁶ = 63500249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63500313.

It is not an unprimeable number, because it can be changed into a prime (63500383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26788 + ... + 29061.

It is an arithmetic number, because the mean of its divisors is an integer number (10611500).

Almost surely, 2^63500313 is an apocalyptic number.

It is an amenable number.

63500313 is a deficient number, since it is larger than the sum of its proper divisors (21391687).

63500313 is a wasteful number, since it uses less digits than its factorization.

63500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56231.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 63500313 is about 7968.7083645971. The cubic root of 63500313 is about 398.9562643251.

Adding to 63500313 its reverse (31300536), we get a palindrome (94800849).

The spelling of 63500313 in words is "sixty-three million, five hundred thousand, three hundred thirteen".