634258625 has 128 divisors (see below), whose sum is σ = 1099478016. Its totient is φ = 352512000.

The previous prime is 634258621. The next prime is 634258631. The reversal of 634258625 is 526852436.

It is a happy number.

634258625 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634258625 - 2² = 634258621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634258621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4629557 + ... + 4629693.

It is an arithmetic number, because the mean of its divisors is an integer number (8589672).

Almost surely, 2^634258625 is an apocalyptic number.

634258625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

634258625 is a deficient number, since it is larger than the sum of its proper divisors (465219391).

634258625 is a wasteful number, since it uses less digits than its factorization.

634258625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 210 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 634258625 is about 25184.4917558405. The cubic root of 634258625 is about 859.1891695160.

The spelling of 634258625 in words is "six hundred thirty-four million, two hundred fifty-eight thousand, six hundred twenty-five".