63475425 has 36 divisors (see below), whose sum is σ = 122442684. Its totient is φ = 31248000.

The previous prime is 63475393. The next prime is 63475453. The reversal of 63475425 is 52457436.

63475425 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 6 ways, for example, as 938961 + 62536464 = 969^2 + 7908^2 .

It is not a de Polignac number, because 63475425 - 2⁵ = 63475393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63475425.

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 35 ways as a sum of consecutive naturals, for example, 7926 + ... + 13775.

Almost surely, 2^63475425 is an apocalyptic number.

63475425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63475425 is a deficient number, since it is larger than the sum of its proper divisors (58967259).

63475425 is a wasteful number, since it uses less digits than its factorization.

63475425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730 (or 21722 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 63475425 is about 7967.1466033957. The cubic root of 63475425 is about 398.9041358629.

The spelling of 63475425 in words is "sixty-three million, four hundred seventy-five thousand, four hundred twenty-five".