634463201 has 2 divisors, whose sum is σ = 634463202. Its totient is φ = 634463200.

The previous prime is 634463197. The next prime is 634463251. The reversal of 634463201 is 102364436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633025600 + 1437601 = 25160^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 634463201 - 2² = 634463197 is a prime.

It is not a weakly prime, because it can be changed into another prime (634463251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317231600 + 317231601.

It is an arithmetic number, because the mean of its divisors is an integer number (317231601).

Almost surely, 2^634463201 is an apocalyptic number.

It is an amenable number.

634463201 is a deficient number, since it is larger than the sum of its proper divisors (1).

634463201 is an equidigital number, since it uses as much as digits as its factorization.

634463201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 634463201 is about 25188.5529755085. The cubic root of 634463201 is about 859.2815348815.

The spelling of 634463201 in words is "six hundred thirty-four million, four hundred sixty-three thousand, two hundred one".