652228807 has 4 divisors (see below), whose sum is σ = 653228280. Its totient is φ = 651229336.

The previous prime is 652228723. The next prime is 652228831. The reversal of 652228807 is 708822256.

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 652228807 - 2¹⁹ = 651704519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652228807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652228847) 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, 498757 + ... + 500062.

It is an arithmetic number, because the mean of its divisors is an integer number (163307070).

Almost surely, 2^652228807 is an apocalyptic number.

652228807 is a deficient number, since it is larger than the sum of its proper divisors (999473).

652228807 is an equidigital number, since it uses as much as digits as its factorization.

652228807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999472.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 652228807 is about 25538.7706634442. The cubic root of 652228807 is about 867.2280680339.

The spelling of 652228807 in words is "six hundred fifty-two million, two hundred twenty-eight thousand, eight hundred seven".