634213203 has 32 divisors (see below), whose sum is σ = 966873600. Its totient is φ = 366322176.

The previous prime is 634213183. The next prime is 634213219. The reversal of 634213203 is 302312436.

It is not a de Polignac number, because 634213203 - 2¹⁰ = 634212179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634213003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289968 + ... + 292146.

It is an arithmetic number, because the mean of its divisors is an integer number (30214800).

Almost surely, 2^634213203 is an apocalyptic number.

634213203 is a deficient number, since it is larger than the sum of its proper divisors (332660397).

634213203 is a wasteful number, since it uses less digits than its factorization.

634213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 634213203 is about 25183.5899545716. The cubic root of 634213203 is about 859.1686589438.

Adding to 634213203 its reverse (302312436), we get a palindrome (936525639).

The spelling of 634213203 in words is "six hundred thirty-four million, two hundred thirteen thousand, two hundred three".