2306573 has 4 divisors (see below), whose sum is σ = 2386140. Its totient is φ = 2227008.

The previous prime is 2306569. The next prime is 2306587. The reversal of 2306573 is 3756032.

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 1841449 + 465124 = 1357^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306573 - 2² = 2306569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303573) 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, 39740 + ... + 39797.

It is an arithmetic number, because the mean of its divisors is an integer number (596535).

2^2306573 is an apocalyptic number.

It is an amenable number.

2306573 is a deficient number, since it is larger than the sum of its proper divisors (79567).

2306573 is an equidigital number, since it uses as much as digits as its factorization.

2306573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79566.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 2306573 is about 1518.7405966787. The cubic root of 2306573 is about 132.1262375147.

The spelling of 2306573 in words is "two million, three hundred six thousand, five hundred seventy-three".