2522689 has 8 divisors (see below), whose sum is σ = 2783592. Its totient is φ = 2271360.

The previous prime is 2522671. The next prime is 2522699. The reversal of 2522689 is 9862252.

2522689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 166464 + 2356225 = 408^2 + 1535^2 .

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

It is not a de Polignac number, because 2522689 - 2⁵ = 2522657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (347949).

2^2522689 is an apocalyptic number.

It is an amenable number.

2522689 is a deficient number, since it is larger than the sum of its proper divisors (260903).

2522689 is a wasteful number, since it uses less digits than its factorization.

2522689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

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

The square root of 2522689 is about 1588.2975162104. The cubic root of 2522689 is about 136.1302277683.

The spelling of 2522689 in words is "two million, five hundred twenty-two thousand, six hundred eighty-nine".