2579393 has 4 divisors (see below), whose sum is σ = 2731140. Its totient is φ = 2427648.

The previous prime is 2579389. The next prime is 2579399. The reversal of 2579393 is 3939752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1481089 + 1098304 = 1217^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2579393 - 2² = 2579389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2579399) 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, 75848 + ... + 75881.

It is an arithmetic number, because the mean of its divisors is an integer number (682785).

2^2579393 is an apocalyptic number.

It is an amenable number.

2579393 is a deficient number, since it is larger than the sum of its proper divisors (151747).

2579393 is a wasteful number, since it uses less digits than its factorization.

2579393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151746.

The product of its digits is 51030, while the sum is 38.

The square root of 2579393 is about 1606.0488784592. The cubic root of 2579393 is about 137.1426400770.

The spelling of 2579393 in words is "two million, five hundred seventy-nine thousand, three hundred ninety-three".