63599125 has 24 divisors (see below), whose sum is σ = 84529224. Its totient is φ = 47609600.

The previous prime is 63599113. The next prime is 63599141. The reversal of 63599125 is 52199536.

It is a happy number.

63599125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 8334769 + 55264356 = 2887^2 + 7434^2 .

It is not a de Polignac number, because 63599125 - 2¹⁵ = 63566357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367539 + ... + 367711.

It is an arithmetic number, because the mean of its divisors is an integer number (3522051).

Almost surely, 2^63599125 is an apocalyptic number.

It is an amenable number.

63599125 is a deficient number, since it is larger than the sum of its proper divisors (20930099).

63599125 is an equidigital number, since it uses as much as digits as its factorization.

63599125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 195 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 63599125 is about 7974.9059555583. The cubic root of 63599125 is about 399.1630939418.

The spelling of 63599125 in words is "sixty-three million, five hundred ninety-nine thousand, one hundred twenty-five".