2545223 has 6 divisors (see below), whose sum is σ = 2704056. Its totient is φ = 2395232.

The previous prime is 2545211. The next prime is 2545237. The reversal of 2545223 is 3225452.

It is not a de Polignac number, because 2545223 - 2⁶ = 2545159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4115 + ... + 4692.

It is an arithmetic number, because the mean of its divisors is an integer number (450676).

2^2545223 is an apocalyptic number.

2545223 is a deficient number, since it is larger than the sum of its proper divisors (158833).

2545223 is an equidigital number, since it uses as much as digits as its factorization.

2545223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8824 counting only the distinct ones).

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

The square root of 2545223 is about 1595.3755043876. The cubic root of 2545223 is about 136.5343560513.

The spelling of 2545223 in words is "two million, five hundred forty-five thousand, two hundred twenty-three".