425579 has 8 divisors (see below), whose sum is σ = 530688. Its totient is φ = 331560.

The previous prime is 425563. The next prime is 425591. The reversal of 425579 is 975524.

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 425579 - 2⁴ = 425563 is a prime.

It is a super-2 number, since 2×425579² = 362234970482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425519) 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, 2687 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (66336).

2⁴²⁵⁵⁷⁹ is an apocalyptic number.

425579 is a deficient number, since it is larger than the sum of its proper divisors (105109).

425579 is a wasteful number, since it uses less digits than its factorization.

425579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545.

The product of its digits is 12600, while the sum is 32.

The square root of 425579 is about 652.3641621058. The cubic root of 425579 is about 75.2188570298.

Subtracting 425579 from its reverse (975524), we obtain a palindrome (549945).

It can be divided in two parts, 4255 and 79, that added together give a palindrome (4334).

The spelling of 425579 in words is "four hundred twenty-five thousand, five hundred seventy-nine".