189061 has 2 divisors, whose sum is σ = 189062. Its totient is φ = 189060.

The previous prime is 189043. The next prime is 189067. The reversal of 189061 is 160981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136161 + 52900 = 369^2 + 230^2 .

It is an emirp because it is prime and its reverse (160981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189061 - 2⁷ = 188933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94530 + 94531.

It is an arithmetic number, because the mean of its divisors is an integer number (94531).

2¹⁸⁹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

189061 is a deficient number, since it is larger than the sum of its proper divisors (1).

189061 is an equidigital number, since it uses as much as digits as its factorization.

189061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 189061 is about 434.8114533910. The cubic root of 189061 is about 57.3941088298.

The spelling of 189061 in words is "one hundred eighty-nine thousand, sixty-one".