2545303 has 4 divisors (see below), whose sum is σ = 2548728. Its totient is φ = 2541880.

The previous prime is 2545271. The next prime is 2545307. The reversal of 2545303 is 3035452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2545303 - 2⁵ = 2545271 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (637182).

2^2545303 is an apocalyptic number.

2545303 is a deficient number, since it is larger than the sum of its proper divisors (3425).

2545303 is a wasteful number, since it uses less digits than its factorization.

2545303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2545303 is about 1595.4005766578. The cubic root of 2545303 is about 136.5357865264.

The spelling of 2545303 in words is "two million, five hundred forty-five thousand, three hundred three".