63425479 has 8 divisors (see below), whose sum is σ = 68650400. Its totient is φ = 58250016.

The previous prime is 63425459. The next prime is 63425497. The reversal of 63425479 is 97452436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63425479 - 2⁵ = 63425447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63425449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9672 + ... + 14845.

It is an arithmetic number, because the mean of its divisors is an integer number (8581300).

Almost surely, 2^63425479 is an apocalyptic number.

63425479 is a deficient number, since it is larger than the sum of its proper divisors (5224921).

63425479 is a wasteful number, since it uses less digits than its factorization.

63425479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24729.

The product of its digits is 181440, while the sum is 40.

The square root of 63425479 is about 7964.0114891931. The cubic root of 63425479 is about 398.7994817445.

The spelling of 63425479 in words is "sixty-three million, four hundred twenty-five thousand, four hundred seventy-nine".