632606647 has 2 divisors, whose sum is σ = 632606648. Its totient is φ = 632606646.

The previous prime is 632606603. The next prime is 632606659. The reversal of 632606647 is 746606236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632606647 - 2⁷ = 632606519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632606147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316303323 + 316303324.

It is an arithmetic number, because the mean of its divisors is an integer number (316303324).

Almost surely, 2^632606647 is an apocalyptic number.

632606647 is a deficient number, since it is larger than the sum of its proper divisors (1).

632606647 is an equidigital number, since it uses as much as digits as its factorization.

632606647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 632606647 is about 25151.6728469500. The cubic root of 632606647 is about 858.4425783428.

The spelling of 632606647 in words is "six hundred thirty-two million, six hundred six thousand, six hundred forty-seven".