652698765 has 48 divisors (see below), whose sum is σ = 1201784688. Its totient is φ = 326565888.

The previous prime is 652698757. The next prime is 652698779. The reversal of 652698765 is 567896256.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 72948681 + 579750084 = 8541^2 + 24078^2 .

It is not a de Polignac number, because 652698765 - 2³ = 652698757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268837 + ... + 271253.

It is an arithmetic number, because the mean of its divisors is an integer number (25037181).

Almost surely, 2^652698765 is an apocalyptic number.

It is an amenable number.

652698765 is a deficient number, since it is larger than the sum of its proper divisors (549085923).

652698765 is a wasteful number, since it uses less digits than its factorization.

652698765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2795 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 652698765 is about 25547.9698802077. The cubic root of 652698765 is about 867.4363093316.

The spelling of 652698765 in words is "six hundred fifty-two million, six hundred ninety-eight thousand, seven hundred sixty-five".