2305073 has 4 divisors (see below), whose sum is σ = 2308608. Its totient is φ = 2301540.

The previous prime is 2305049. The next prime is 2305091. The reversal of 2305073 is 3705032.

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 2305073 - 2¹⁶ = 2239537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2305003) 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, 473 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (577152).

2^2305073 is an apocalyptic number.

It is an amenable number.

2305073 is a deficient number, since it is larger than the sum of its proper divisors (3535).

2305073 is an equidigital number, since it uses as much as digits as its factorization.

2305073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 2305073 is about 1518.2466861482. The cubic root of 2305073 is about 132.0975900604.

The spelling of 2305073 in words is "two million, three hundred five thousand, seventy-three".