6031409 has 2 divisors, whose sum is σ = 6031410. Its totient is φ = 6031408.

The previous prime is 6031339. The next prime is 6031411. The reversal of 6031409 is 9041306.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3073009 + 2958400 = 1753^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 6031409 - 2⁸ = 6031153 is a prime.

It is a Sophie Germain prime.

Together with 6031411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6031429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3015704 + 3015705.

It is an arithmetic number, because the mean of its divisors is an integer number (3015705).

Almost surely, 2^6031409 is an apocalyptic number.

It is an amenable number.

6031409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6031409 is an equidigital number, since it uses as much as digits as its factorization.

6031409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6031409 is about 2455.8927093829. The cubic root of 6031409 is about 182.0285850525.

The spelling of 6031409 in words is "six million, thirty-one thousand, four hundred nine".