7216535 has 4 divisors (see below), whose sum is σ = 8659848. Its totient is φ = 5773224.

The previous prime is 7216513. The next prime is 7216537. The reversal of 7216535 is 5356127.

7216535 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7216535 - 2⁶ = 7216471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7216498 and 7216507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216537) 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, 721649 + ... + 721658.

It is an arithmetic number, because the mean of its divisors is an integer number (2164962).

Almost surely, 2^7216535 is an apocalyptic number.

7216535 is a deficient number, since it is larger than the sum of its proper divisors (1443313).

7216535 is a wasteful number, since it uses less digits than its factorization.

7216535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443312.

The product of its digits is 6300, while the sum is 29.

The square root of 7216535 is about 2686.3609213953. The cubic root of 7216535 is about 193.2455821218.

The spelling of 7216535 in words is "seven million, two hundred sixteen thousand, five hundred thirty-five".