63579 has 4 divisors (see below), whose sum is σ = 84776. Its totient is φ = 42384.

The previous prime is 63577. The next prime is 63587. The reversal of 63579 is 97536.

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

It is not a de Polignac number, because 63579 - 2¹ = 63577 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63577) 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, 10594 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (21194).

2⁶³⁵⁷⁹ is an apocalyptic number.

63579 is a deficient number, since it is larger than the sum of its proper divisors (21197).

63579 is a wasteful number, since it uses less digits than its factorization.

63579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196.

The product of its digits is 5670, while the sum is 30.

The square root of 63579 is about 252.1487656127. The cubic root of 63579 is about 39.9120986419.

The spelling of 63579 in words is "sixty-three thousand, five hundred seventy-nine".