2722503 has 8 divisors (see below), whose sum is σ = 4148608. Its totient is φ = 1555704.

The previous prime is 2722477. The next prime is 2722507. The reversal of 2722503 is 3052272.

2722503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2722503 - 2⁵ = 2722471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 129643 = 2722503 / (2 + 7 + 2 + 2 + 5 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64801 + ... + 64842.

It is an arithmetic number, because the mean of its divisors is an integer number (518576).

2^2722503 is an apocalyptic number.

2722503 is a deficient number, since it is larger than the sum of its proper divisors (1426105).

2722503 is a wasteful number, since it uses less digits than its factorization.

2722503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129653.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2722503 is about 1650.0009090907. Note that the first 3 decimals coincide. The cubic root of 2722503 is about 139.6334458714.

Adding to 2722503 its reverse (3052272), we get a palindrome (5774775).

It can be divided in two parts, 272 and 2503, that added together give a triangular number (2775 = T₇₄).

The spelling of 2722503 in words is "two million, seven hundred twenty-two thousand, five hundred three".