63240425 has 18 divisors (see below), whose sum is σ = 83311818. Its totient is φ = 47610880.

The previous prime is 63240421. The next prime is 63240449. The reversal of 63240425 is 52404236.

It can be written as a sum of positive squares in 9 ways, for example, as 53824 + 63186601 = 232^2 + 7949^2 .

It is not a de Polignac number, because 63240425 - 2² = 63240421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63240394 and 63240403.

It is not an unprimeable number, because it can be changed into a prime (63240421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2849 + ... + 11601.

Almost surely, 2^63240425 is an apocalyptic number.

It is an amenable number.

63240425 is a deficient number, since it is larger than the sum of its proper divisors (20071393).

63240425 is a wasteful number, since it uses less digits than its factorization.

63240425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797 (or 8775 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 63240425 is about 7952.3848624171. The cubic root of 63240425 is about 398.4112501225.

The spelling of 63240425 in words is "sixty-three million, two hundred forty thousand, four hundred twenty-five".