2564089 has 8 divisors (see below), whose sum is σ = 2811168. Its totient is φ = 2319360.

The previous prime is 2564077. The next prime is 2564101. The reversal of 2564089 is 9804652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2564077) and next prime (2564101).

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 2564089 - 2⁵ = 2564057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564039) 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, 2374 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (351396).

2^2564089 is an apocalyptic number.

It is an amenable number.

2564089 is a deficient number, since it is larger than the sum of its proper divisors (247079).

2564089 is a wasteful number, since it uses less digits than its factorization.

2564089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

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

The square root of 2564089 is about 1601.2773026556. The cubic root of 2564089 is about 136.8708712779.

The spelling of 2564089 in words is "two million, five hundred sixty-four thousand, eighty-nine".