652332389 has 8 divisors (see below), whose sum is σ = 658717080. Its totient is φ = 645958656.

The previous prime is 652332367. The next prime is 652332391. The reversal of 652332389 is 983233256.

It can be written as a sum of positive squares in 4 ways, for example, as 29430625 + 622901764 = 5425^2 + 24958^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652332389 - 2⁸ = 652332133 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 (652335389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166319 + ... + 170195.

It is an arithmetic number, because the mean of its divisors is an integer number (82339635).

Almost surely, 2^652332389 is an apocalyptic number.

It is an amenable number.

652332389 is a deficient number, since it is larger than the sum of its proper divisors (6384691).

652332389 is a wasteful number, since it uses less digits than its factorization.

652332389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its digits is 233280, while the sum is 41.

The square root of 652332389 is about 25540.7985192319. The cubic root of 652332389 is about 867.2739744509.

The spelling of 652332389 in words is "six hundred fifty-two million, three hundred thirty-two thousand, three hundred eighty-nine".