2544979 has 4 divisors (see below), whose sum is σ = 2552176. Its totient is φ = 2537784.

The previous prime is 2544977. The next prime is 2545001. The reversal of 2544979 is 9794452.

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 2544979 - 2¹ = 2544977 is a prime.

It is a super-2 number, since 2×2544979² = 12953836220882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544977) 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, 3039 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (638044).

2^2544979 is an apocalyptic number.

2544979 is a deficient number, since it is larger than the sum of its proper divisors (7197).

2544979 is an equidigital number, since it uses as much as digits as its factorization.

2544979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196.

The product of its digits is 90720, while the sum is 40.

The square root of 2544979 is about 1595.2990315298. The cubic root of 2544979 is about 136.5299929172.

The spelling of 2544979 in words is "two million, five hundred forty-four thousand, nine hundred seventy-nine".