63830321 has 2 divisors, whose sum is σ = 63830322. Its totient is φ = 63830320.

The previous prime is 63830293. The next prime is 63830353. The reversal of 63830321 is 12303836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 16289296 = 6895^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 63830321 - 2¹⁸ = 63568177 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (63830381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31915160 + 31915161.

It is an arithmetic number, because the mean of its divisors is an integer number (31915161).

Almost surely, 2^63830321 is an apocalyptic number.

It is an amenable number.

63830321 is a deficient number, since it is larger than the sum of its proper divisors (1).

63830321 is an equidigital number, since it uses as much as digits as its factorization.

63830321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 63830321 is about 7989.3880241230. The cubic root of 63830321 is about 399.6461892204.

The spelling of 63830321 in words is "sixty-three million, eight hundred thirty thousand, three hundred twenty-one".