632099401 has 2 divisors, whose sum is σ = 632099402. Its totient is φ = 632099400.

The previous prime is 632099387. The next prime is 632099407. The reversal of 632099401 is 104990236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426463801 + 205635600 = 20651^2 + 14340^2 .

It is a cyclic number.

It is not a de Polignac number, because 632099401 - 2⁹ = 632098889 is a prime.

It is not a weakly prime, because it can be changed into another prime (632099407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316049700 + 316049701.

It is an arithmetic number, because the mean of its divisors is an integer number (316049701).

Almost surely, 2^632099401 is an apocalyptic number.

It is an amenable number.

632099401 is a deficient number, since it is larger than the sum of its proper divisors (1).

632099401 is an equidigital number, since it uses as much as digits as its factorization.

632099401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 632099401 is about 25141.5870819644. The cubic root of 632099401 is about 858.2130739570.

The spelling of 632099401 in words is "six hundred thirty-two million, ninety-nine thousand, four hundred one".