63846425 has 6 divisors (see below), whose sum is σ = 79169598. Its totient is φ = 51077120.

The previous prime is 63846421. The next prime is 63846449. The reversal of 63846425 is 52464836.

63846425 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 913936 + 62932489 = 956^2 + 7933^2 .

It is not a de Polignac number, because 63846425 - 2² = 63846421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63846421) by changing a digit.

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, 1276904 + ... + 1276953.

It is an arithmetic number, because the mean of its divisors is an integer number (13194933).

Almost surely, 2^63846425 is an apocalyptic number.

It is an amenable number.

63846425 is a deficient number, since it is larger than the sum of its proper divisors (15323173).

63846425 is a wasteful number, since it uses less digits than its factorization.

63846425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553867 (or 2553862 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 63846425 is about 7990.3957974558. The cubic root of 63846425 is about 399.6797958249.

The spelling of 63846425 in words is "sixty-three million, eight hundred forty-six thousand, four hundred twenty-five".