652551389 has 8 divisors (see below), whose sum is σ = 746920320. Its totient is φ = 558469296.

The previous prime is 652551379. The next prime is 652551397. The reversal of 652551389 is 983155256.

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

It is not a de Polignac number, because 652551389 - 2¹⁶ = 652485853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652551349) 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, 66809 + ... + 75950.

It is an arithmetic number, because the mean of its divisors is an integer number (93365040).

Almost surely, 2^652551389 is an apocalyptic number.

It is an amenable number.

652551389 is a deficient number, since it is larger than the sum of its proper divisors (94368931).

652551389 is a wasteful number, since it uses less digits than its factorization.

652551389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143419.

The product of its digits is 324000, while the sum is 44.

The square root of 652551389 is about 25545.0854177472. The cubic root of 652551389 is about 867.3710168754.

The spelling of 652551389 in words is "six hundred fifty-two million, five hundred fifty-one thousand, three hundred eighty-nine".