2320569 has 10 divisors (see below), whose sum is σ = 3466650. Its totient is φ = 1546992.

The previous prime is 2320553. The next prime is 2320579. The reversal of 2320569 is 9650232.

2320569 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 only one way, i.e., 1946025 + 374544 = 1395^2 + 612^2 .

It is not a de Polignac number, because 2320569 - 2⁴ = 2320553 is a prime.

It is a super-2 number, since 2×2320569² = 10770080967522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2320519) 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 9 ways as a sum of consecutive naturals, for example, 14244 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (346665).

2^2320569 is an apocalyptic number.

It is an amenable number.

2320569 is a deficient number, since it is larger than the sum of its proper divisors (1146081).

2320569 is an equidigital number, since it uses as much as digits as its factorization.

2320569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28661 (or 28652 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2320569 is about 1523.3413931224. The cubic root of 2320569 is about 132.3929406945.

The spelling of 2320569 in words is "two million, three hundred twenty thousand, five hundred sixty-nine".