2326561 has 4 divisors (see below), whose sum is σ = 2330692. Its totient is φ = 2322432.

The previous prime is 2326553. The next prime is 2326567. The reversal of 2326561 is 1656232.

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 295936 + 2030625 = 544^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2326561 - 2³ = 2326553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2326567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (582673).

2^2326561 is an apocalyptic number.

It is an amenable number.

2326561 is a deficient number, since it is larger than the sum of its proper divisors (4131).

2326561 is an equidigital number, since it uses as much as digits as its factorization.

2326561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130.

The product of its digits is 2160, while the sum is 25.

The square root of 2326561 is about 1525.3068543739. The cubic root of 2326561 is about 132.5067944777.

The spelling of 2326561 in words is "two million, three hundred twenty-six thousand, five hundred sixty-one".