634164001 has 2 divisors, whose sum is σ = 634164002. Its totient is φ = 634164000.

The previous prime is 634163989. The next prime is 634164029. The reversal of 634164001 is 100461436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544008976 + 90155025 = 23324^2 + 9495^2 .

It is a cyclic number.

It is not a de Polignac number, because 634164001 - 2⁹ = 634163489 is a prime.

It is not a weakly prime, because it can be changed into another prime (634164101) 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, 317082000 + 317082001.

It is an arithmetic number, because the mean of its divisors is an integer number (317082001).

Almost surely, 2^634164001 is an apocalyptic number.

It is an amenable number.

634164001 is a deficient number, since it is larger than the sum of its proper divisors (1).

634164001 is an equidigital number, since it uses as much as digits as its factorization.

634164001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 634164001 is about 25182.6130693381. The cubic root of 634164001 is about 859.1464403852.

The spelling of 634164001 in words is "six hundred thirty-four million, one hundred sixty-four thousand, one".