6722503 has 4 divisors (see below), whose sum is σ = 6727968. Its totient is φ = 6717040.

The previous prime is 6722479. The next prime is 6722537. The reversal of 6722503 is 3052276.

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 6722503 - 2¹³ = 6714311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722563) 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, 75 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (1681992).

Almost surely, 2^6722503 is an apocalyptic number.

6722503 is a deficient number, since it is larger than the sum of its proper divisors (5465).

6722503 is a wasteful number, since it uses less digits than its factorization.

6722503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 6722503 is about 2592.7790110227. The cubic root of 6722503 is about 188.7311856457.

Adding to 6722503 its reverse (3052276), we get a palindrome (9774779).

It can be divided in two parts, 6722 and 503, that added together give a square (7225 = 85²).

The spelling of 6722503 in words is "six million, seven hundred twenty-two thousand, five hundred three".