63064615 has 4 divisors (see below), whose sum is σ = 75677544. Its totient is φ = 50451688.

The previous prime is 63064609. The next prime is 63064619. The reversal of 63064615 is 51646036.

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

It is a cyclic number.

It is not a de Polignac number, because 63064615 - 2⁵ = 63064583 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63064619) 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, 6306457 + ... + 6306466.

It is an arithmetic number, because the mean of its divisors is an integer number (18919386).

Almost surely, 2^63064615 is an apocalyptic number.

63064615 is a deficient number, since it is larger than the sum of its proper divisors (12612929).

63064615 is a wasteful number, since it uses less digits than its factorization.

63064615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12612928.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 63064615 is about 7941.3232524561. The cubic root of 63064615 is about 398.0417096427.

The spelling of 63064615 in words is "sixty-three million, sixty-four thousand, six hundred fifteen".