2584739 has 2 divisors, whose sum is σ = 2584740. Its totient is φ = 2584738.

The previous prime is 2584693. The next prime is 2584787. The reversal of 2584739 is 9374852.

2584739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2584739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2584789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292369 + 1292370.

It is an arithmetic number, because the mean of its divisors is an integer number (1292370).

2^2584739 is an apocalyptic number.

2584739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2584739 is an equidigital number, since it uses as much as digits as its factorization.

2584739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 2584739 is about 1607.7123498935. The cubic root of 2584739 is about 137.2373210894.

The spelling of 2584739 in words is "two million, five hundred eighty-four thousand, seven hundred thirty-nine".