5971409 has 2 divisors, whose sum is σ = 5971410. Its totient is φ = 5971408.

The previous prime is 5971391. The next prime is 5971411. The reversal of 5971409 is 9041795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 2560000 = 1847^2 + 1600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5971409 is a prime.

Together with 5971411, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5971429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2985704 + 2985705.

It is an arithmetic number, because the mean of its divisors is an integer number (2985705).

Almost surely, 2^5971409 is an apocalyptic number.

It is an amenable number.

5971409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5971409 is an equidigital number, since it uses as much as digits as its factorization.

5971409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 5971409 is about 2443.6466602191. The cubic root of 5971409 is about 181.4229701940.

The spelling of 5971409 in words is "five million, nine hundred seventy-one thousand, four hundred nine".