2518979 has 4 divisors (see below), whose sum is σ = 2522640. Its totient is φ = 2515320.

The previous prime is 2518973. The next prime is 2518981. The reversal of 2518979 is 9798152.

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

It is a cyclic number.

It is not a de Polignac number, because 2518979 - 2¹⁶ = 2453443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2518973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (630660).

2^2518979 is an apocalyptic number.

2518979 is a deficient number, since it is larger than the sum of its proper divisors (3661).

2518979 is an equidigital number, since it uses as much as digits as its factorization.

2518979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 45360, while the sum is 41.

The square root of 2518979 is about 1587.1291692865. The cubic root of 2518979 is about 136.0634615877.

The spelling of 2518979 in words is "two million, five hundred eighteen thousand, nine hundred seventy-nine".