5156309 has 2 divisors, whose sum is σ = 5156310. Its totient is φ = 5156308.

The previous prime is 5156299. The next prime is 5156339. The reversal of 5156309 is 9036515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 2093809 = 1750^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156309 - 2¹⁶ = 5090773 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 (5156339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578154 + 2578155.

It is an arithmetic number, because the mean of its divisors is an integer number (2578155).

Almost surely, 2^5156309 is an apocalyptic number.

It is an amenable number.

5156309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156309 is an equidigital number, since it uses as much as digits as its factorization.

5156309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 5156309 is about 2270.7507569084. The cubic root of 5156309 is about 172.7612396811.

The spelling of 5156309 in words is "five million, one hundred fifty-six thousand, three hundred nine".