5420309 has 2 divisors, whose sum is σ = 5420310. Its totient is φ = 5420308.

The previous prime is 5420293. The next prime is 5420321. The reversal of 5420309 is 9030245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 483025 = 2222^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 5420309 - 2⁴ = 5420293 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 (5420509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710154 + 2710155.

It is an arithmetic number, because the mean of its divisors is an integer number (2710155).

Almost surely, 2^5420309 is an apocalyptic number.

It is an amenable number.

5420309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420309 is an equidigital number, since it uses as much as digits as its factorization.

5420309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5420309 is about 2328.1557078512. The cubic root of 5420309 is about 175.6607294235.

The spelling of 5420309 in words is "five million, four hundred twenty thousand, three hundred nine".