652158389 has 2 divisors, whose sum is σ = 652158390. Its totient is φ = 652158388.

The previous prime is 652158383. The next prime is 652158391. The reversal of 652158389 is 983851256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543123025 + 109035364 = 23305^2 + 10442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652158389 is a prime.

Together with 652158391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652158383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326079194 + 326079195.

It is an arithmetic number, because the mean of its divisors is an integer number (326079195).

Almost surely, 2^652158389 is an apocalyptic number.

It is an amenable number.

652158389 is a deficient number, since it is larger than the sum of its proper divisors (1).

652158389 is an equidigital number, since it uses as much as digits as its factorization.

652158389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 47.

The square root of 652158389 is about 25537.3919772556. The cubic root of 652158389 is about 867.1968567661.

The spelling of 652158389 in words is "six hundred fifty-two million, one hundred fifty-eight thousand, three hundred eighty-nine".