2579923 has 2 divisors, whose sum is σ = 2579924. Its totient is φ = 2579922.

The previous prime is 2579911. The next prime is 2579939. The reversal of 2579923 is 3299752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2579923 - 2⁵ = 2579891 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2579963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289961 + 1289962.

It is an arithmetic number, because the mean of its divisors is an integer number (1289962).

2^2579923 is an apocalyptic number.

2579923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2579923 is an equidigital number, since it uses as much as digits as its factorization.

2579923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 2579923 is about 1606.2138711890. The cubic root of 2579923 is about 137.1520325479.

The spelling of 2579923 in words is "two million, five hundred seventy-nine thousand, nine hundred twenty-three".