4025579 has 4 divisors (see below), whose sum is σ = 4054680. Its totient is φ = 3996480.

The previous prime is 4025551. The next prime is 4025599. The reversal of 4025579 is 9755204.

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 4025579 - 2²⁰ = 2977003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025599) 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, 14342 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (1013670).

Almost surely, 2^4025579 is an apocalyptic number.

4025579 is a deficient number, since it is larger than the sum of its proper divisors (29101).

4025579 is a wasteful number, since it uses less digits than its factorization.

4025579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29100.

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

The square root of 4025579 is about 2006.3845593505. The cubic root of 4025579 is about 159.0777542518.

The spelling of 4025579 in words is "four million, twenty-five thousand, five hundred seventy-nine".