5161309 has 2 divisors, whose sum is σ = 5161310. Its totient is φ = 5161308.

The previous prime is 5161291. The next prime is 5161327. The reversal of 5161309 is 9031615.

It is a balanced prime because it is at equal distance from previous prime (5161291) and next prime (5161327).

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 1932100 = 1797^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 5161309 - 2⁷ = 5161181 is a prime.

It is a super-2 number, since 2×5161309² = 53278221186962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580654 + 2580655.

It is an arithmetic number, because the mean of its divisors is an integer number (2580655).

Almost surely, 2^5161309 is an apocalyptic number.

It is an amenable number.

5161309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161309 is an equidigital number, since it uses as much as digits as its factorization.

5161309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 5161309 is about 2271.8514476083. The cubic root of 5161309 is about 172.8170630191.

The spelling of 5161309 in words is "five million, one hundred sixty-one thousand, three hundred nine".