7213565 has 16 divisors (see below), whose sum is σ = 8926848. Its totient is φ = 5593536.

The previous prime is 7213561. The next prime is 7213567. The reversal of 7213565 is 5653127.

It is a cyclic number.

It is not a de Polignac number, because 7213565 - 2² = 7213561 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 (7213561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43112 + ... + 43278.

It is an arithmetic number, because the mean of its divisors is an integer number (557928).

Almost surely, 2^7213565 is an apocalyptic number.

It is an amenable number.

7213565 is a deficient number, since it is larger than the sum of its proper divisors (1713283).

7213565 is a wasteful number, since it uses less digits than its factorization.

7213565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

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

The square root of 7213565 is about 2685.8080720707. The cubic root of 7213565 is about 193.2190680984.

The spelling of 7213565 in words is "seven million, two hundred thirteen thousand, five hundred sixty-five".