2548445 has 4 divisors (see below), whose sum is σ = 3058140. Its totient is φ = 2038752.

The previous prime is 2548421. The next prime is 2548459. The reversal of 2548445 is 5448452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 2172676 = 613^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548445 - 2¹² = 2544349 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 254840 + ... + 254849.

It is an arithmetic number, because the mean of its divisors is an integer number (764535).

2^2548445 is an apocalyptic number.

It is an amenable number.

2548445 is a deficient number, since it is larger than the sum of its proper divisors (509695).

2548445 is an equidigital number, since it uses as much as digits as its factorization.

2548445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509694.

The product of its digits is 25600, while the sum is 32.

The square root of 2548445 is about 1596.3849786314. The cubic root of 2548445 is about 136.5919447441.

The spelling of 2548445 in words is "two million, five hundred forty-eight thousand, four hundred forty-five".