634834425 has 24 divisors (see below), whose sum is σ = 1052985184. Its totient is φ = 337484160.

The previous prime is 634834391. The next prime is 634834439. The reversal of 634834425 is 524438436.

It is not a de Polignac number, because 634834425 - 2⁷ = 634834297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9954 + ... + 36996.

Almost surely, 2^634834425 is an apocalyptic number.

It is an amenable number.

634834425 is a deficient number, since it is larger than the sum of its proper divisors (418150759).

634834425 is a wasteful number, since it uses less digits than its factorization.

634834425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27369 (or 27364 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 634834425 is about 25195.9208007963. The cubic root of 634834425 is about 859.4490905598.

The spelling of 634834425 in words is "six hundred thirty-four million, eight hundred thirty-four thousand, four hundred twenty-five".