10203889 has 2 divisors, whose sum is σ = 10203890. Its totient is φ = 10203888.

The previous prime is 10203887. The next prime is 10203979. The reversal of 10203889 is 98830201.

10203889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5253264 + 4950625 = 2292^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203889 - 2¹ = 10203887 is a prime.

Together with 10203887, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10203889.

It is not a weakly prime, because it can be changed into another prime (10203883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101944 + 5101945.

It is an arithmetic number, because the mean of its divisors is an integer number (5101945).

Almost surely, 2^10203889 is an apocalyptic number.

It is an amenable number.

10203889 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203889 is an equidigital number, since it uses as much as digits as its factorization.

10203889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10203889 is about 3194.3526730779. The cubic root of 10203889 is about 216.8978473938.

The spelling of 10203889 in words is "ten million, two hundred three thousand, eight hundred eighty-nine".