5845421 has 2 divisors, whose sum is σ = 5845422. Its totient is φ = 5845420.

The previous prime is 5845417. The next prime is 5845451. The reversal of 5845421 is 1245485.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 2292196 = 1885^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 5845421 - 2² = 5845417 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (5845451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922710 + 2922711.

It is an arithmetic number, because the mean of its divisors is an integer number (2922711).

Almost surely, 2^5845421 is an apocalyptic number.

It is an amenable number.

5845421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5845421 is an equidigital number, since it uses as much as digits as its factorization.

5845421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 5845421 is about 2417.7305474349. The cubic root of 5845421 is about 180.1379703501.

The spelling of 5845421 in words is "five million, eight hundred forty-five thousand, four hundred twenty-one".