5003909 has 2 divisors, whose sum is σ = 5003910. Its totient is φ = 5003908.

The previous prime is 5003893. The next prime is 5003923. The reversal of 5003909 is 9093005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 2411809 = 1610^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003909 - 2⁴ = 5003893 is a prime.

It is a Sophie Germain 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 (5003959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501954 + 2501955.

It is an arithmetic number, because the mean of its divisors is an integer number (2501955).

Almost surely, 2^5003909 is an apocalyptic number.

It is an amenable number.

5003909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003909 is an equidigital number, since it uses as much as digits as its factorization.

5003909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 5003909 is about 2236.9418857002. The cubic root of 5003909 is about 171.0421450330.

The spelling of 5003909 in words is "five million, three thousand, nine hundred nine".