2304545 has 8 divisors (see below), whose sum is σ = 2840424. Its totient is φ = 1793664.

The previous prime is 2304541. The next prime is 2304553. The reversal of 2304545 is 5454032.

It can be written as a sum of positive squares in 4 ways, for example, as 1014049 + 1290496 = 1007^2 + 1136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2304545 - 2² = 2304541 is a prime.

It is a Duffinian number.

2304545 is a modest number, since divided by 4545 gives 230 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2304545.

It is not an unprimeable number, because it can be changed into a prime (2304541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044 + ... + 6413.

It is an arithmetic number, because the mean of its divisors is an integer number (355053).

2^2304545 is an apocalyptic number.

It is an amenable number.

2304545 is a deficient number, since it is larger than the sum of its proper divisors (535879).

2304545 is a wasteful number, since it uses less digits than its factorization.

2304545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2304545 is about 1518.0727914036. The cubic root of 2304545 is about 132.0875031993.

Adding to 2304545 its reverse (5454032), we get a palindrome (7758577).

The spelling of 2304545 in words is "two million, three hundred four thousand, five hundred forty-five".