2558279 has 8 divisors (see below), whose sum is σ = 2754288. Its totient is φ = 2367360.

The previous prime is 2558251. The next prime is 2558287. The reversal of 2558279 is 9728552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2558279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (344286).

2^2558279 is an apocalyptic number.

2558279 is a deficient number, since it is larger than the sum of its proper divisors (196009).

2558279 is a wasteful number, since it uses less digits than its factorization.

2558279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545.

The product of its digits is 50400, while the sum is 38.

The square root of 2558279 is about 1599.4620970814. The cubic root of 2558279 is about 136.7674139809.

The spelling of 2558279 in words is "two million, five hundred fifty-eight thousand, two hundred seventy-nine".