63351479 has 4 divisors (see below), whose sum is σ = 63374640. Its totient is φ = 63328320.

The previous prime is 63351433. The next prime is 63351481. The reversal of 63351479 is 97415336.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63351479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63351679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (15843660).

Almost surely, 2^63351479 is an apocalyptic number.

63351479 is a deficient number, since it is larger than the sum of its proper divisors (23161).

63351479 is a wasteful number, since it uses less digits than its factorization.

63351479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23160.

The product of its digits is 68040, while the sum is 38.

The square root of 63351479 is about 7959.3642334046. The cubic root of 63351479 is about 398.6443251382.

The spelling of 63351479 in words is "sixty-three million, three hundred fifty-one thousand, four hundred seventy-nine".