2569069 has 4 divisors (see below), whose sum is σ = 2617596. Its totient is φ = 2520544.

The previous prime is 2569027. The next prime is 2569079. The reversal of 2569069 is 9609652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 714025 + 1855044 = 845^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2569069 - 2⁷ = 2568941 is a prime.

It is a super-2 number, since 2×2569069² = 13200231053522, which contains 22 as substring.

It is a Duffinian number.

2569069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24184 + ... + 24289.

It is an arithmetic number, because the mean of its divisors is an integer number (654399).

2^2569069 is an apocalyptic number.

It is an amenable number.

2569069 is a deficient number, since it is larger than the sum of its proper divisors (48527).

2569069 is an equidigital number, since it uses as much as digits as its factorization.

2569069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48526.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2569069 is about 1602.8315569641. The cubic root of 2569069 is about 136.9594246437.

The spelling of 2569069 in words is "two million, five hundred sixty-nine thousand, sixty-nine".