2544489 has 12 divisors (see below), whose sum is σ = 3802500. Its totient is φ = 1637664.

The previous prime is 2544481. The next prime is 2544497. The reversal of 2544489 is 9844452.

It is an interprime number because it is at equal distance from previous prime (2544481) and next prime (2544497).

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 1734489 = 900^2 + 1317^2 .

It is not a de Polignac number, because 2544489 - 2³ = 2544481 is a prime.

It is a super-2 number, since 2×2544489² = 12948848542242, which contains 22 as substring.

2544489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2544481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4614 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (316875).

2^2544489 is an apocalyptic number.

2544489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2544489 is a deficient number, since it is larger than the sum of its proper divisors (1258011).

2544489 is a wasteful number, since it uses less digits than its factorization.

2544489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9781 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2544489 is about 1595.1454479138. The cubic root of 2544489 is about 136.5212300433.

The spelling of 2544489 in words is "two million, five hundred forty-four thousand, four hundred eighty-nine".