210041389 has 2 divisors, whose sum is σ = 210041390. Its totient is φ = 210041388.

The previous prime is 210041309. The next prime is 210041393. The reversal of 210041389 is 983140012.

It is a happy number.

210041389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 89151364 = 10995^2 + 9442^2 .

It is a cyclic number.

It is not a de Polignac number, because 210041389 - 2¹⁵ = 210008621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210041309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105020694 + 105020695.

It is an arithmetic number, because the mean of its divisors is an integer number (105020695).

Almost surely, 2^210041389 is an apocalyptic number.

It is an amenable number.

210041389 is a deficient number, since it is larger than the sum of its proper divisors (1).

210041389 is an equidigital number, since it uses as much as digits as its factorization.

210041389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 210041389 is about 14492.8047320041. The cubic root of 210041389 is about 594.4312423914.

The spelling of 210041389 in words is "two hundred ten million, forty-one thousand, three hundred eighty-nine".