63312001 has 2 divisors, whose sum is σ = 63312002. Its totient is φ = 63312000.

The previous prime is 63311993. The next prime is 63312043. The reversal of 63312001 is 10021336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59985025 + 3326976 = 7745^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 63312001 - 2³ = 63311993 is a prime.

It is not a weakly prime, because it can be changed into another prime (63312071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31656000 + 31656001.

It is an arithmetic number, because the mean of its divisors is an integer number (31656001).

Almost surely, 2^63312001 is an apocalyptic number.

It is an amenable number.

63312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

63312001 is an equidigital number, since it uses as much as digits as its factorization.

63312001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 63312001 is about 7956.8838749852. The cubic root of 63312001 is about 398.5615017584.

Adding to 63312001 its reverse (10021336), we get a palindrome (73333337).

The spelling of 63312001 in words is "sixty-three million, three hundred twelve thousand, one".