652332665 has 4 divisors (see below), whose sum is σ = 782799204. Its totient is φ = 521866128.

The previous prime is 652332523. The next prime is 652332671. The reversal of 652332665 is 566233256.

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 184389241 + 467943424 = 13579^2 + 21632^2 .

It is a cyclic number.

It is not a de Polignac number, because 652332665 - 2¹⁴ = 652316281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65233262 + ... + 65233271.

It is an arithmetic number, because the mean of its divisors is an integer number (195699801).

Almost surely, 2^652332665 is an apocalyptic number.

It is an amenable number.

652332665 is a deficient number, since it is larger than the sum of its proper divisors (130466539).

652332665 is a wasteful number, since it uses less digits than its factorization.

652332665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130466538.

The product of its digits is 194400, while the sum is 38.

The square root of 652332665 is about 25540.8039223514. The cubic root of 652332665 is about 867.2740967647.

The spelling of 652332665 in words is "six hundred fifty-two million, three hundred thirty-two thousand, six hundred sixty-five".