424579 has 4 divisors (see below), whose sum is σ = 430984. Its totient is φ = 418176.

The previous prime is 424577. The next prime is 424597. The reversal of 424579 is 975424.

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

It is a 7-Lehmer number, since φ(424579) divides (424579-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 424579 - 2¹ = 424577 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424579.

It is not an unprimeable number, because it can be changed into a prime (424573) 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, 3102 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (107746).

2⁴²⁴⁵⁷⁹ is an apocalyptic number.

424579 is a deficient number, since it is larger than the sum of its proper divisors (6405).

424579 is an equidigital number, since it uses as much as digits as its factorization.

424579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its digits is 10080, while the sum is 31.

The square root of 424579 is about 651.5972682570. The cubic root of 424579 is about 75.1598959054.

The spelling of 424579 in words is "four hundred twenty-four thousand, five hundred seventy-nine".