2580469 has 2 divisors, whose sum is σ = 2580470. Its totient is φ = 2580468.

The previous prime is 2580467. The next prime is 2580493. The reversal of 2580469 is 9640852.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439844 + 140625 = 1562^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580469 - 2¹ = 2580467 is a prime.

It is a super-2 number, since 2×2580469² = 13317640519922, which contains 22 as substring.

Together with 2580467, it forms a pair of twin primes.

2580469 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290234 + 1290235.

It is an arithmetic number, because the mean of its divisors is an integer number (1290235).

2^2580469 is an apocalyptic number.

It is an amenable number.

2580469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580469 is an equidigital number, since it uses as much as digits as its factorization.

2580469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2580469 is about 1606.3838271098. The cubic root of 2580469 is about 137.1617072201.

The spelling of 2580469 in words is "two million, five hundred eighty thousand, four hundred sixty-nine".