63415425 has 24 divisors (see below), whose sum is σ = 106332480. Its totient is φ = 33342400.

The previous prime is 63415421. The next prime is 63415481. The reversal of 63415425 is 52451436.

It is not a de Polignac number, because 63415425 - 2² = 63415421 is a prime.

It is a super-2 number, since 2×63415425² = 8043032255861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63415392 and 63415401.

It is not an unprimeable number, because it can be changed into a prime (63415421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (4430520).

Almost surely, 2^63415425 is an apocalyptic number.

It is an amenable number.

63415425 is a deficient number, since it is larger than the sum of its proper divisors (42917055).

63415425 is a wasteful number, since it uses less digits than its factorization.

63415425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11988 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 63415425 is about 7963.3802496176. The cubic root of 63415425 is about 398.7784085000.

The spelling of 63415425 in words is "sixty-three million, four hundred fifteen thousand, four hundred twenty-five".