2722543 has 4 divisors (see below), whose sum is σ = 2725848. Its totient is φ = 2719240.

The previous prime is 2722541. The next prime is 2722547. The reversal of 2722543 is 3452272.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2722543 - 2¹ = 2722541 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 7⁵ + 2¹⁹ + 2²¹ + 5⁷ + 4⁶ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722541) 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 3 ways as a sum of consecutive naturals, for example, 705 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (681462).

2^2722543 is an apocalyptic number.

2722543 is a deficient number, since it is larger than the sum of its proper divisors (3305).

2722543 is a wasteful number, since it uses less digits than its factorization.

2722543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its digits is 3360, while the sum is 25.

The square root of 2722543 is about 1650.0130302516. The cubic root of 2722543 is about 139.6341297165.

The spelling of 2722543 in words is "two million, seven hundred twenty-two thousand, five hundred forty-three".