2569489 has 8 divisors (see below), whose sum is σ = 2782080. Its totient is φ = 2359056.

The previous prime is 2569481. The next prime is 2569513. The reversal of 2569489 is 9849652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2569489 - 2³ = 2569481 is a prime.

It is a super-2 number, since 2×2569489² = 13204547442242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2569481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

2^2569489 is an apocalyptic number.

It is an amenable number.

2569489 is a deficient number, since it is larger than the sum of its proper divisors (212591).

2569489 is a wasteful number, since it uses less digits than its factorization.

2569489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its digits is 155520, while the sum is 43.

The square root of 2569489 is about 1602.9625697439. The cubic root of 2569489 is about 136.9668877654.

The spelling of 2569489 in words is "two million, five hundred sixty-nine thousand, four hundred eighty-nine".