63838825 has 12 divisors (see below), whose sum is σ = 83817180. Its totient is φ = 48066560.

The previous prime is 63838813. The next prime is 63838847. The reversal of 63838825 is 52883836.

It can be written as a sum of positive squares in 6 ways, for example, as 46656 + 63792169 = 216^2 + 7987^2 .

It is not a de Polignac number, because 63838825 - 2¹¹ = 63836777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74680 + ... + 75529.

It is an arithmetic number, because the mean of its divisors is an integer number (6984765).

Almost surely, 2^63838825 is an apocalyptic number.

It is an amenable number.

63838825 is a deficient number, since it is larger than the sum of its proper divisors (19978355).

63838825 is a wasteful number, since it uses less digits than its factorization.

63838825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150236 (or 150231 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 63838825 is about 7989.9202123676. The cubic root of 63838825 is about 399.6639364824.

The spelling of 63838825 in words is "sixty-three million, eight hundred thirty-eight thousand, eight hundred twenty-five".