2580289 has 2 divisors, whose sum is σ = 2580290. Its totient is φ = 2580288.

The previous prime is 2580287. The next prime is 2580313. The reversal of 2580289 is 9820852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 146689 = 1560^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580289 - 2¹ = 2580287 is a prime.

Together with 2580287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2580287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290144 + 1290145.

It is an arithmetic number, because the mean of its divisors is an integer number (1290145).

2^2580289 is an apocalyptic number.

It is an amenable number.

2580289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580289 is an equidigital number, since it uses as much as digits as its factorization.

2580289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2580289 is about 1606.3277996723. The cubic root of 2580289 is about 137.1585179185.

The spelling of 2580289 in words is "two million, five hundred eighty thousand, two hundred eighty-nine".