2579542 has 16 divisors (see below), whose sum is σ = 4614912. Its totient is φ = 1057320.

The previous prime is 2579537. The next prime is 2579581. The reversal of 2579542 is 2459752.

It is a d-powerful number, because it can be written as 2³ + 5⁷ + 7⁵ + 9⁶ + 5⁹ + 4 + 2⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2579498 and 2579507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684 + ... + 4327.

It is an arithmetic number, because the mean of its divisors is an integer number (288432).

2^2579542 is an apocalyptic number.

2579542 is a deficient number, since it is larger than the sum of its proper divisors (2035370).

2579542 is a wasteful number, since it uses less digits than its factorization.

2579542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043.

The product of its digits is 25200, while the sum is 34.

The square root of 2579542 is about 1606.0952649205. The cubic root of 2579542 is about 137.1452807318.

The spelling of 2579542 in words is "two million, five hundred seventy-nine thousand, five hundred forty-two".