63834313 has 4 divisors (see below), whose sum is σ = 65038788. Its totient is φ = 62629840.

The previous prime is 63834299. The next prime is 63834341. The reversal of 63834313 is 31343836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32114889 + 31719424 = 5667^2 + 5632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63834313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63834383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602158 + ... + 602263.

It is an arithmetic number, because the mean of its divisors is an integer number (16259697).

Almost surely, 2^63834313 is an apocalyptic number.

It is an amenable number.

63834313 is a deficient number, since it is larger than the sum of its proper divisors (1204475).

63834313 is a wasteful number, since it uses less digits than its factorization.

63834313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204474.

The product of its digits is 15552, while the sum is 31.

The square root of 63834313 is about 7989.6378516176. The cubic root of 63834313 is about 399.6545204456.

The spelling of 63834313 in words is "sixty-three million, eight hundred thirty-four thousand, three hundred thirteen".