2547489 has 8 divisors (see below), whose sum is σ = 3881920. Its totient is φ = 1455696.

The previous prime is 2547473. The next prime is 2547491. The reversal of 2547489 is 9847452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2547489 - 2⁴ = 2547473 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 4⁴ + 7³ + 4¹⁰ + 8² + 9⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2547469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60634 + ... + 60675.

It is an arithmetic number, because the mean of its divisors is an integer number (485240).

2^2547489 is an apocalyptic number.

It is an amenable number.

2547489 is a deficient number, since it is larger than the sum of its proper divisors (1334431).

2547489 is a wasteful number, since it uses less digits than its factorization.

2547489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121319.

The product of its digits is 80640, while the sum is 39.

The square root of 2547489 is about 1596.0855240243. The cubic root of 2547489 is about 136.5748626632.

The spelling of 2547489 in words is "two million, five hundred forty-seven thousand, four hundred eighty-nine".