2305306 has 4 divisors (see below), whose sum is σ = 3457962. Its totient is φ = 1152652.

The previous prime is 2305301. The next prime is 2305321. The reversal of 2305306 is 6035032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 576081 = 1315^2 + 759^2 .

It is not an unprimeable number, because it can be changed into a prime (2305301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576325 + ... + 576328.

2^2305306 is an apocalyptic number.

2305306 is a deficient number, since it is larger than the sum of its proper divisors (1152656).

2305306 is a wasteful number, since it uses less digits than its factorization.

2305306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152655.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2305306 is about 1518.3234174576. The cubic root of 2305306 is about 132.1020407801.

The spelling of 2305306 in words is "two million, three hundred five thousand, three hundred six".