632796551 has 2 divisors, whose sum is σ = 632796552. Its totient is φ = 632796550.

The previous prime is 632796529. The next prime is 632796581. The reversal of 632796551 is 155697236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 632796551 - 2¹⁸ = 632534407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632796511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316398275 + 316398276.

It is an arithmetic number, because the mean of its divisors is an integer number (316398276).

Almost surely, 2^632796551 is an apocalyptic number.

632796551 is a deficient number, since it is larger than the sum of its proper divisors (1).

632796551 is an equidigital number, since it uses as much as digits as its factorization.

632796551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 632796551 is about 25155.4477400026. The cubic root of 632796551 is about 858.5284691937.

The spelling of 632796551 in words is "six hundred thirty-two million, seven hundred ninety-six thousand, five hundred fifty-one".