632217617 has 2 divisors, whose sum is σ = 632217618. Its totient is φ = 632217616.

The previous prime is 632217589. The next prime is 632217643. The reversal of 632217617 is 716712236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622951681 + 9265936 = 24959^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 632217617 - 2¹⁴ = 632201233 is a prime.

It is not a weakly prime, because it can be changed into another prime (632217217) 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, 316108808 + 316108809.

It is an arithmetic number, because the mean of its divisors is an integer number (316108809).

Almost surely, 2^632217617 is an apocalyptic number.

It is an amenable number.

632217617 is a deficient number, since it is larger than the sum of its proper divisors (1).

632217617 is an equidigital number, since it uses as much as digits as its factorization.

632217617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 632217617 is about 25143.9379771745. The cubic root of 632217617 is about 858.2665719736.

The spelling of 632217617 in words is "six hundred thirty-two million, two hundred seventeen thousand, six hundred seventeen".