634604225 has 12 divisors (see below), whose sum is σ = 791310960. Its totient is φ = 504843600.

The previous prime is 634604219. The next prime is 634604231. The reversal of 634604225 is 522406436.

It is an interprime number because it is at equal distance from previous prime (634604219) and next prime (634604231).

It is not a de Polignac number, because 634604225 - 2⁴ = 634604209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634604191 and 634604200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66431 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (65942580).

Almost surely, 2^634604225 is an apocalyptic number.

It is an amenable number.

634604225 is a deficient number, since it is larger than the sum of its proper divisors (156706735).

634604225 is a wasteful number, since it uses less digits than its factorization.

634604225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142000 (or 141995 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 634604225 is about 25191.3521868120. The cubic root of 634604225 is about 859.3451951757.

The spelling of 634604225 in words is "six hundred thirty-four million, six hundred four thousand, two hundred twenty-five".