634110401 has 2 divisors, whose sum is σ = 634110402. Its totient is φ = 634110400.

The previous prime is 634110397. The next prime is 634110413. The reversal of 634110401 is 104011436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632572801 + 1537600 = 25151^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 634110401 - 2² = 634110397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (634110431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317055200 + 317055201.

It is an arithmetic number, because the mean of its divisors is an integer number (317055201).

Almost surely, 2^634110401 is an apocalyptic number.

It is an amenable number.

634110401 is a deficient number, since it is larger than the sum of its proper divisors (1).

634110401 is an equidigital number, since it uses as much as digits as its factorization.

634110401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 634110401 is about 25181.5488205154. The cubic root of 634110401 is about 859.1222344771.

Adding to 634110401 its reverse (104011436), we get a palindrome (738121837).

The spelling of 634110401 in words is "six hundred thirty-four million, one hundred ten thousand, four hundred one".