100579 has 4 divisors (see below), whose sum is σ = 104976. Its totient is φ = 96184.

The previous prime is 100559. The next prime is 100591. The reversal of 100579 is 975001.

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 100579 - 2⁵ = 100547 is a prime.

It is a super-2 number, since 2×100579² = 20232270482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) 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 not an unprimeable number, because it can be changed into a prime (100519) 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, 2164 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (26244).

2¹⁰⁰⁵⁷⁹ is an apocalyptic number.

100579 is a deficient number, since it is larger than the sum of its proper divisors (4397).

100579 is an equidigital number, since it uses as much as digits as its factorization.

100579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 100579 is about 317.1419240656. The cubic root of 100579 is about 46.5052986601.

The spelling of 100579 in words is "one hundred thousand, five hundred seventy-nine".