63068321 has 4 divisors (see below), whose sum is σ = 63486144. Its totient is φ = 62650500.

The previous prime is 63068311. The next prime is 63068363. The reversal of 63068321 is 12386036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63068321 is a prime.

It is a super-2 number, since 2×63068321² = 7955226227518082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63068311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208685 + ... + 208986.

It is an arithmetic number, because the mean of its divisors is an integer number (15871536).

Almost surely, 2^63068321 is an apocalyptic number.

It is an amenable number.

63068321 is a deficient number, since it is larger than the sum of its proper divisors (417823).

63068321 is a wasteful number, since it uses less digits than its factorization.

63068321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417822.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 63068321 is about 7941.5565854560. The cubic root of 63068321 is about 398.0495064803.

The spelling of 63068321 in words is "sixty-three million, sixty-eight thousand, three hundred twenty-one".