63601025 has 6 divisors (see below), whose sum is σ = 78865302. Its totient is φ = 50880800.

The previous prime is 63601009. The next prime is 63601061. The reversal of 63601025 is 52010636.

63601025 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 3 ways, for example, as 22743361 + 40857664 = 4769^2 + 6392^2 .

It is not a de Polignac number, because 63601025 - 2⁴ = 63601009 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1271996 + ... + 1272045.

It is an arithmetic number, because the mean of its divisors is an integer number (13144217).

Almost surely, 2^63601025 is an apocalyptic number.

It is an amenable number.

63601025 is a deficient number, since it is larger than the sum of its proper divisors (15264277).

63601025 is a wasteful number, since it uses less digits than its factorization.

63601025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544051 (or 2544046 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63601025 is about 7975.0250783305. The cubic root of 63601025 is about 399.1670688515.

The spelling of 63601025 in words is "sixty-three million, six hundred one thousand, twenty-five".