2125889 has 2 divisors, whose sum is σ = 2125890. Its totient is φ = 2125888.

The previous prime is 2125873. The next prime is 2125919. The reversal of 2125889 is 9885212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 588289 = 1240^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125889 - 2⁴ = 2125873 is a prime.

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (2125819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062944 + 1062945.

It is an arithmetic number, because the mean of its divisors is an integer number (1062945).

2^2125889 is an apocalyptic number.

It is an amenable number.

2125889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125889 is an equidigital number, since it uses as much as digits as its factorization.

2125889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 2125889 is about 1458.0428663109. The cubic root of 2125889 is about 128.5820054203.

The spelling of 2125889 in words is "two million, one hundred twenty-five thousand, eight hundred eighty-nine".