2103389 has 2 divisors, whose sum is σ = 2103390. Its totient is φ = 2103388.

The previous prime is 2103383. The next prime is 2103403. The reversal of 2103389 is 9833012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 24025 = 1442^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103389 - 2¹⁶ = 2037853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051694 + 1051695.

It is an arithmetic number, because the mean of its divisors is an integer number (1051695).

2^2103389 is an apocalyptic number.

It is an amenable number.

2103389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103389 is an equidigital number, since it uses as much as digits as its factorization.

2103389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2103389 is about 1450.3065193262. The cubic root of 2103389 is about 128.1267665035.

The spelling of 2103389 in words is "two million, one hundred three thousand, three hundred eighty-nine".