5818409 has 2 divisors, whose sum is σ = 5818410. Its totient is φ = 5818408.

The previous prime is 5818399. The next prime is 5818411. The reversal of 5818409 is 9048185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 1525225 = 2072^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 5818409 - 2¹² = 5814313 is a prime.

Together with 5818411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5818469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909204 + 2909205.

It is an arithmetic number, because the mean of its divisors is an integer number (2909205).

Almost surely, 2^5818409 is an apocalyptic number.

It is an amenable number.

5818409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5818409 is an equidigital number, since it uses as much as digits as its factorization.

5818409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 5818409 is about 2412.1378484655. The cubic root of 5818409 is about 179.8600661393.

The spelling of 5818409 in words is "five million, eight hundred eighteen thousand, four hundred nine".