2489273 has 4 divisors (see below), whose sum is σ = 2575140. Its totient is φ = 2403408.

The previous prime is 2489239. The next prime is 2489287. The reversal of 2489273 is 3729842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3729842 = 2 ⋅1864921.

It can be written as a sum of positive squares in 2 ways, for example, as 1923769 + 565504 = 1387^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489273 - 2⁸ = 2489017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42890 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (643785).

2^2489273 is an apocalyptic number.

It is an amenable number.

2489273 is a deficient number, since it is larger than the sum of its proper divisors (85867).

2489273 is an equidigital number, since it uses as much as digits as its factorization.

2489273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85866.

The product of its digits is 24192, while the sum is 35.

The square root of 2489273 is about 1577.7430082241. The cubic root of 2489273 is about 135.5264854750.

The spelling of 2489273 in words is "two million, four hundred eighty-nine thousand, two hundred seventy-three".