652189 has 2 divisors, whose sum is σ = 652190. Its totient is φ = 652188.

The previous prime is 652153. The next prime is 652207. The reversal of 652189 is 981256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 20164 = 795^2 + 142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652189 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 652189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326094 + 326095.

It is an arithmetic number, because the mean of its divisors is an integer number (326095).

2⁶⁵²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

652189 is a deficient number, since it is larger than the sum of its proper divisors (1).

652189 is an equidigital number, since it uses as much as digits as its factorization.

652189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 652189 is about 807.5821939592. The cubic root of 652189 is about 86.7210424711.

It can be divided in two parts, 652 and 189, that added together give a square (841 = 29²).

The spelling of 652189 in words is "six hundred fifty-two thousand, one hundred eighty-nine".