634971203 has 6 divisors (see below), whose sum is σ = 670150044. Its totient is φ = 601551324.

The previous prime is 634971193. The next prime is 634971209. The reversal of 634971203 is 302179436.

It is a de Polignac number, because none of the positive numbers 2^k-634971203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634971209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 879101 + ... + 879822.

It is an arithmetic number, because the mean of its divisors is an integer number (111691674).

Almost surely, 2^634971203 is an apocalyptic number.

634971203 is a deficient number, since it is larger than the sum of its proper divisors (35178841).

634971203 is a wasteful number, since it uses less digits than its factorization.

634971203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758961 (or 1758942 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 634971203 is about 25198.6349431869. The cubic root of 634971203 is about 859.5108102154.

The spelling of 634971203 in words is "six hundred thirty-four million, nine hundred seventy-one thousand, two hundred three".