652565723 has 4 divisors (see below), whose sum is σ = 690951960. Its totient is φ = 614179488.

The previous prime is 652565713. The next prime is 652565737. The reversal of 652565723 is 327565256.

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 652565723 - 2⁸ = 652565467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652565713) 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, 19193093 + ... + 19193126.

It is an arithmetic number, because the mean of its divisors is an integer number (172737990).

Almost surely, 2^652565723 is an apocalyptic number.

652565723 is a deficient number, since it is larger than the sum of its proper divisors (38386237).

652565723 is a wasteful number, since it uses less digits than its factorization.

652565723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38386236.

The product of its digits is 378000, while the sum is 41.

The square root of 652565723 is about 25545.3659789794. The cubic root of 652565723 is about 867.3773677444.

The spelling of 652565723 in words is "six hundred fifty-two million, five hundred sixty-five thousand, seven hundred twenty-three".