63634325 has 12 divisors (see below), whose sum is σ = 83060160. Its totient is φ = 48227760.

The previous prime is 63634313. The next prime is 63634331. The reversal of 63634325 is 52343636.

It is not a de Polignac number, because 63634325 - 2¹⁰ = 63633301 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63634291 and 63634300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66509 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (6921680).

Almost surely, 2^63634325 is an apocalyptic number.

It is an amenable number.

63634325 is a deficient number, since it is larger than the sum of its proper divisors (19425835).

63634325 is a wasteful number, since it uses less digits than its factorization.

63634325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133996 (or 133991 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

The square root of 63634325 is about 7977.1125728549. The cubic root of 63634325 is about 399.2367215247.

The spelling of 63634325 in words is "sixty-three million, six hundred thirty-four thousand, three hundred twenty-five".