634675001 has 2 divisors, whose sum is σ = 634675002. Its totient is φ = 634675000.

The previous prime is 634674941. The next prime is 634675033. The reversal of 634675001 is 100576436.

It is an a-pointer prime, because the next prime (634675033) can be obtained adding 634675001 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612810025 + 21864976 = 24755^2 + 4676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634675001 is a prime.

It is a Chen prime.

It is equal to p_33037736 and since 634675001 and 33037736 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (634675051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317337500 + 317337501.

It is an arithmetic number, because the mean of its divisors is an integer number (317337501).

Almost surely, 2^634675001 is an apocalyptic number.

It is an amenable number.

634675001 is a deficient number, since it is larger than the sum of its proper divisors (1).

634675001 is an equidigital number, since it uses as much as digits as its factorization.

634675001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 634675001 is about 25192.7569154311. The cubic root of 634675001 is about 859.3771409419.

The spelling of 634675001 in words is "six hundred thirty-four million, six hundred seventy-five thousand, one".