2580969 has 4 divisors (see below), whose sum is σ = 3441296. Its totient is φ = 1720644.

The previous prime is 2580959. The next prime is 2580973. The reversal of 2580969 is 9690852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2580969 - 2⁴ = 2580953 is a prime.

It is a super-2 number, since 2×2580969² = 13322801957922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2580959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430159 + ... + 430164.

It is an arithmetic number, because the mean of its divisors is an integer number (860324).

2^2580969 is an apocalyptic number.

It is an amenable number.

2580969 is a deficient number, since it is larger than the sum of its proper divisors (860327).

2580969 is an equidigital number, since it uses as much as digits as its factorization.

2580969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860326.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2580969 is about 1606.5394486286. The cubic root of 2580969 is about 137.1705656129.

It can be divided in two parts, 25809 and 69, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 2580969 in words is "two million, five hundred eighty thousand, nine hundred sixty-nine".