652612885 has 4 divisors (see below), whose sum is σ = 783135468. Its totient is φ = 522090304.

The previous prime is 652612819. The next prime is 652612889. The reversal of 652612885 is 588216256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 362864401 + 289748484 = 19049^2 + 17022^2 .

It is a cyclic number.

It is not a de Polignac number, because 652612885 - 2¹¹ = 652610837 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 (652612889) 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, 65261284 + ... + 65261293.

It is an arithmetic number, because the mean of its divisors is an integer number (195783867).

Almost surely, 2^652612885 is an apocalyptic number.

It is an amenable number.

652612885 is a deficient number, since it is larger than the sum of its proper divisors (130522583).

652612885 is a wasteful number, since it uses less digits than its factorization.

652612885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130522582.

The product of its digits is 230400, while the sum is 43.

The square root of 652612885 is about 25546.2890651460. The cubic root of 652612885 is about 867.3982628382.

The spelling of 652612885 in words is "six hundred fifty-two million, six hundred twelve thousand, eight hundred eighty-five".