2544791 has 2 divisors, whose sum is σ = 2544792. Its totient is φ = 2544790.

The previous prime is 2544769. The next prime is 2544793. The reversal of 2544791 is 1974452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2544791 - 2¹⁸ = 2282647 is a prime.

It is a super-2 number, since 2×2544791² = 12951922467362, which contains 22 as substring.

Together with 2544793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272395 + 1272396.

It is an arithmetic number, because the mean of its divisors is an integer number (1272396).

2^2544791 is an apocalyptic number.

2544791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544791 is an equidigital number, since it uses as much as digits as its factorization.

2544791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 2544791 is about 1595.2401073193. The cubic root of 2544791 is about 136.5266309680.

The spelling of 2544791 in words is "two million, five hundred forty-four thousand, seven hundred ninety-one".