2665069 has 4 divisors (see below), whose sum is σ = 2907360. Its totient is φ = 2422780.

The previous prime is 2665063. The next prime is 2665081. The reversal of 2665069 is 9605662.

2665069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2665069 - 2⁵ = 2665037 is a prime.

It is a super-2 number, since 2×2665069² = 14205185549522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665063) 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 3 ways as a sum of consecutive naturals, for example, 121129 + ... + 121150.

It is an arithmetic number, because the mean of its divisors is an integer number (726840).

2^2665069 is an apocalyptic number.

It is an amenable number.

2665069 is a deficient number, since it is larger than the sum of its proper divisors (242291).

2665069 is a wasteful number, since it uses less digits than its factorization.

2665069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242290.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2665069 is about 1632.5039050489. The cubic root of 2665069 is about 138.6445553327.

It can be divided in two parts, 266 and 5069, that added together give a palindrome (5335).

The spelling of 2665069 in words is "two million, six hundred sixty-five thousand, sixty-nine".