632442361 has 2 divisors, whose sum is σ = 632442362. Its totient is φ = 632442360.

The previous prime is 632442337. The next prime is 632442367. The reversal of 632442361 is 163244236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583512336 + 48930025 = 24156^2 + 6995^2 .

It is a cyclic number.

It is not a de Polignac number, because 632442361 - 2⁵ = 632442329 is a prime.

It is not a weakly prime, because it can be changed into another prime (632442367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316221180 + 316221181.

It is an arithmetic number, because the mean of its divisors is an integer number (316221181).

Almost surely, 2^632442361 is an apocalyptic number.

It is an amenable number.

632442361 is a deficient number, since it is larger than the sum of its proper divisors (1).

632442361 is an equidigital number, since it uses as much as digits as its factorization.

632442361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 632442361 is about 25148.4067288566. The cubic root of 632442361 is about 858.3682602769.

Adding to 632442361 its reverse (163244236), we get a palindrome (795686597).

The spelling of 632442361 in words is "six hundred thirty-two million, four hundred forty-two thousand, three hundred sixty-one".