2579957 has 4 divisors (see below), whose sum is σ = 2640000. Its totient is φ = 2519916.

The previous prime is 2579939. The next prime is 2579963. The reversal of 2579957 is 7599752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2579957 - 2¹² = 2575861 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 (2579977) 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, 29957 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (660000).

2^2579957 is an apocalyptic number.

It is an amenable number.

2579957 is a deficient number, since it is larger than the sum of its proper divisors (60043).

2579957 is an equidigital number, since it uses as much as digits as its factorization.

2579957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60042.

The product of its digits is 198450, while the sum is 44.

The square root of 2579957 is about 1606.2244550498. The cubic root of 2579957 is about 137.1526350399.

The spelling of 2579957 in words is "two million, five hundred seventy-nine thousand, nine hundred fifty-seven".