63645059 has 8 divisors (see below), whose sum is σ = 67485600. Its totient is φ = 59815296.

The previous prime is 63645047. The next prime is 63645067. The reversal of 63645059 is 95054636.

63645059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63645059 - 2²⁰ = 62596483 is a prime.

It is a super-2 number, since 2×63645059² = 8101387070226962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63645259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11717 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (8435700).

Almost surely, 2^63645059 is an apocalyptic number.

63645059 is a deficient number, since it is larger than the sum of its proper divisors (3840541).

63645059 is a wasteful number, since it uses less digits than its factorization.

63645059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 63645059 is about 7977.7853443171. The cubic root of 63645059 is about 399.2591683516.

The spelling of 63645059 in words is "sixty-three million, six hundred forty-five thousand, fifty-nine".