3125189 has 2 divisors, whose sum is σ = 3125190. Its totient is φ = 3125188.

The previous prime is 3125183. The next prime is 3125191. The reversal of 3125189 is 9815213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2696164 + 429025 = 1642^2 + 655^2 .

It is an emirp because it is prime and its reverse (9815213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125189 - 2⁴ = 3125173 is a prime.

Together with 3125191, 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 (3125183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562594 + 1562595.

It is an arithmetic number, because the mean of its divisors is an integer number (1562595).

Almost surely, 2^3125189 is an apocalyptic number.

It is an amenable number.

3125189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125189 is an equidigital number, since it uses as much as digits as its factorization.

3125189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 3125189 is about 1767.8204094308. The cubic root of 3125189 is about 146.2038342611.

The spelling of 3125189 in words is "three million, one hundred twenty-five thousand, one hundred eighty-nine".