63304313 has 4 divisors (see below), whose sum is σ = 64498788. Its totient is φ = 62109840.

The previous prime is 63304301. The next prime is 63304327. The reversal of 63304313 is 31340336.

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 19254544 + 44049769 = 4388^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 63304313 - 2⁶ = 63304249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63304513) 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, 597158 + ... + 597263.

It is an arithmetic number, because the mean of its divisors is an integer number (16124697).

Almost surely, 2^63304313 is an apocalyptic number.

It is an amenable number.

63304313 is a deficient number, since it is larger than the sum of its proper divisors (1194475).

63304313 is a wasteful number, since it uses less digits than its factorization.

63304313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194474.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 63304313 is about 7956.4007566236. The cubic root of 63304313 is about 398.5453686145.

Adding to 63304313 its reverse (31340336), we get a palindrome (94644649).

The spelling of 63304313 in words is "sixty-three million, three hundred four thousand, three hundred thirteen".