634225 has 12 divisors (see below), whose sum is σ = 821376. Its totient is φ = 484880.

The previous prime is 634223. The next prime is 634237. The reversal of 634225 is 522436.

It is a happy number.

It is not a de Polignac number, because 634225 - 2¹ = 634223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634196 and 634205.

It is not an unprimeable number, because it can be changed into a prime (634223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (68448).

2⁶³⁴²²⁵ is an apocalyptic number.

It is an amenable number.

634225 is a deficient number, since it is larger than the sum of its proper divisors (187151).

634225 is a wasteful number, since it uses less digits than its factorization.

634225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1131 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 634225 is about 796.3824458136. The cubic root of 634225 is about 85.9173986043.

The spelling of 634225 in words is "six hundred thirty-four thousand, two hundred twenty-five".