2288545 has 12 divisors (see below), whose sum is σ = 3194964. Its totient is φ = 1569120.

The previous prime is 2288527. The next prime is 2288563. The reversal of 2288545 is 5458822.

2288545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2288527) and next prime (2288563).

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 1535121 = 868^2 + 1239^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2288545 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2288545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4426 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (266247).

2^2288545 is an apocalyptic number.

It is an amenable number.

2288545 is a deficient number, since it is larger than the sum of its proper divisors (906419).

2288545 is an equidigital number, since it uses as much as digits as its factorization.

2288545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9353 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 2288545 is about 1512.7937731231. The cubic root of 2288545 is about 131.7811072185.

The spelling of 2288545 in words is "two million, two hundred eighty-eight thousand, five hundred forty-five".