2573439 has 8 divisors (see below), whose sum is σ = 3743232. Its totient is φ = 1559640.

The previous prime is 2573437. The next prime is 2573449. The reversal of 2573439 is 9343752.

It is a happy number.

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

It is not a de Polignac number, because 2573439 - 2¹ = 2573437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 77983 = 2573439 / (2 + 5 + 7 + 3 + 4 + 3 + 9).

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 7⁵ + 3¹⁰ + 4⁶ + 3¹² + 9³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38959 + ... + 39024.

It is an arithmetic number, because the mean of its divisors is an integer number (467904).

2^2573439 is an apocalyptic number.

2573439 is a deficient number, since it is larger than the sum of its proper divisors (1169793).

2573439 is a wasteful number, since it uses less digits than its factorization.

2573439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77997.

The product of its digits is 22680, while the sum is 33.

The square root of 2573439 is about 1604.1941902401. The cubic root of 2573439 is about 137.0370368900.

The spelling of 2573439 in words is "two million, five hundred seventy-three thousand, four hundred thirty-nine".