2582491 has 2 divisors, whose sum is σ = 2582492. Its totient is φ = 2582490.

The previous prime is 2582443. The next prime is 2582501. The reversal of 2582491 is 1942852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2582491 - 2¹¹ = 2580443 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2582401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291245 + 1291246.

It is an arithmetic number, because the mean of its divisors is an integer number (1291246).

2^2582491 is an apocalyptic number.

2582491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582491 is an equidigital number, since it uses as much as digits as its factorization.

2582491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 2582491 is about 1607.0130677751. The cubic root of 2582491 is about 137.1975235212.

The spelling of 2582491 in words is "two million, five hundred eighty-two thousand, four hundred ninety-one".