2569091 has 8 divisors (see below), whose sum is σ = 3108960. Its totient is φ = 2072448.

The previous prime is 2569079. The next prime is 2569093. The reversal of 2569091 is 1909652.

2569091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2569091 - 2⁶ = 2569027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569093) 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, 10676 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (388620).

2^2569091 is an apocalyptic number.

2569091 is a deficient number, since it is larger than the sum of its proper divisors (539869).

2569091 is a wasteful number, since it uses less digits than its factorization.

2569091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21613.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2569091 is about 1602.8384198041. The cubic root of 2569091 is about 136.9598155893.

The spelling of 2569091 in words is "two million, five hundred sixty-nine thousand, ninety-one".