5918909 has 2 divisors, whose sum is σ = 5918910. Its totient is φ = 5918908.

The previous prime is 5918879. The next prime is 5918921. The reversal of 5918909 is 9098195.

5918909 is digitally balanced in base 3, 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., 4020025 + 1898884 = 2005^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 5918909 - 2¹² = 5914813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5918999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2959454 + 2959455.

It is an arithmetic number, because the mean of its divisors is an integer number (2959455).

Almost surely, 2^5918909 is an apocalyptic number.

It is an amenable number.

5918909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5918909 is an equidigital number, since it uses as much as digits as its factorization.

5918909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 5918909 is about 2432.8808026700. The cubic root of 5918909 is about 180.8897204767.

The spelling of 5918909 in words is "five million, nine hundred eighteen thousand, nine hundred nine".