632201291 has 2 divisors, whose sum is σ = 632201292. Its totient is φ = 632201290.

The previous prime is 632201257. The next prime is 632201303. The reversal of 632201291 is 192102236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632201291 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632201291.

It is not a weakly prime, because it can be changed into another prime (632201201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316100645 + 316100646.

It is an arithmetic number, because the mean of its divisors is an integer number (316100646).

Almost surely, 2^632201291 is an apocalyptic number.

632201291 is a deficient number, since it is larger than the sum of its proper divisors (1).

632201291 is an equidigital number, since it uses as much as digits as its factorization.

632201291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 632201291 is about 25143.6133242619. The cubic root of 632201291 is about 858.2591841268.

The spelling of 632201291 in words is "six hundred thirty-two million, two hundred one thousand, two hundred ninety-one".