63412425 has 18 divisors (see below), whose sum is σ = 113579102. Its totient is φ = 33819840.

The previous prime is 63412423. The next prime is 63412429. The reversal of 63412425 is 52421436.

63412425 is a `hidden beast` number, since 634 + 1 + 2 + 4 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1774224 + 61638201 = 1332^2 + 7851^2 .

It is not a de Polignac number, because 63412425 - 2¹ = 63412423 is a prime.

It is a super-2 number, since 2×63412425² = 8042271288761250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63412423) 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, 140692 + ... + 141141.

Almost surely, 2^63412425 is an apocalyptic number.

It is an amenable number.

63412425 is a deficient number, since it is larger than the sum of its proper divisors (50166677).

63412425 is a wasteful number, since it uses less digits than its factorization.

63412425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281849 (or 281841 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 63412425 is about 7963.1918851677. The cubic root of 63412425 is about 398.7721200505.

The spelling of 63412425 in words is "sixty-three million, four hundred twelve thousand, four hundred twenty-five".