2543073 has 16 divisors (see below), whose sum is σ = 3681216. Its totient is φ = 1552320.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543073 is 3703452.

It is not a de Polignac number, because 2543073 - 2⁸ = 2542817 is a prime.

It is an Ulam number.

2543073 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7518 + ... + 7848.

It is an arithmetic number, because the mean of its divisors is an integer number (230076).

2^2543073 is an apocalyptic number.

It is an amenable number.

2543073 is a deficient number, since it is larger than the sum of its proper divisors (1138143).

2543073 is a wasteful number, since it uses less digits than its factorization.

2543073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 2543073 is about 1594.7015394738. The cubic root of 2543073 is about 136.4959008014.

The spelling of 2543073 in words is "two million, five hundred forty-three thousand, seventy-three".