7216603 has 4 divisors (see below), whose sum is σ = 7227360. Its totient is φ = 7205848.

The previous prime is 7216597. The next prime is 7216609. The reversal of 7216603 is 3066127.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7216597) and next prime (7216609).

It is a cyclic number.

It is not a de Polignac number, because 7216603 - 2⁹ = 7216091 is a prime.

It is a Duffinian number.

7216603 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7216609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4300 + ... + 5737.

It is an arithmetic number, because the mean of its divisors is an integer number (1806840).

Almost surely, 2^7216603 is an apocalyptic number.

7216603 is a deficient number, since it is larger than the sum of its proper divisors (10757).

7216603 is a wasteful number, since it uses less digits than its factorization.

7216603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10756.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7216603 is about 2686.3735778927. The cubic root of 7216603 is about 193.2461890917.

The spelling of 7216603 in words is "seven million, two hundred sixteen thousand, six hundred three".