632377321 has 2 divisors, whose sum is σ = 632377322. Its totient is φ = 632377320.

The previous prime is 632377223. The next prime is 632377331. The reversal of 632377321 is 123773236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496398400 + 135978921 = 22280^2 + 11661^2 .

It is a cyclic number.

It is not a de Polignac number, because 632377321 - 2¹¹ = 632375273 is a prime.

It is a super-2 number, since 2×632377321² = 799802152230274082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (632377331) 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, 316188660 + 316188661.

It is an arithmetic number, because the mean of its divisors is an integer number (316188661).

Almost surely, 2^632377321 is an apocalyptic number.

It is an amenable number.

632377321 is a deficient number, since it is larger than the sum of its proper divisors (1).

632377321 is an equidigital number, since it uses as much as digits as its factorization.

632377321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 34.

The square root of 632377321 is about 25147.1135719390. The cubic root of 632377321 is about 858.3388345727.

The spelling of 632377321 in words is "six hundred thirty-two million, three hundred seventy-seven thousand, three hundred twenty-one".