632666051 has 2 divisors, whose sum is σ = 632666052. Its totient is φ = 632666050.

The previous prime is 632666003. The next prime is 632666057. The reversal of 632666051 is 150666236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632666051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (632666057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316333025 + 316333026.

It is an arithmetic number, because the mean of its divisors is an integer number (316333026).

Almost surely, 2^632666051 is an apocalyptic number.

632666051 is a deficient number, since it is larger than the sum of its proper divisors (1).

632666051 is an equidigital number, since it uses as much as digits as its factorization.

632666051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 632666051 is about 25152.8537347157. The cubic root of 632666051 is about 858.4694477659.

The spelling of 632666051 in words is "six hundred thirty-two million, six hundred sixty-six thousand, fifty-one".