652880691 has 18 divisors (see below), whose sum is σ = 985841948. Its totient is φ = 416326680.

The previous prime is 652880681. The next prime is 652880707. The reversal of 652880691 is 196088256.

It is not a de Polignac number, because 652880691 - 2¹¹ = 652878643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652880681) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63805 + ... + 73326.

Almost surely, 2^652880691 is an apocalyptic number.

652880691 is a deficient number, since it is larger than the sum of its proper divisors (332961257).

652880691 is a wasteful number, since it uses less digits than its factorization.

652880691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137183 (or 137157 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 652880691 is about 25551.5301107390. The cubic root of 652880691 is about 867.5168950304.

The spelling of 652880691 in words is "six hundred fifty-two million, eight hundred eighty thousand, six hundred ninety-one".