5161249 has 2 divisors, whose sum is σ = 5161250. Its totient is φ = 5161248.

The previous prime is 5161243. The next prime is 5161253. The reversal of 5161249 is 9421615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 1288225 = 1968^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 5161249 - 2⁹ = 5160737 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580624 + 2580625.

It is an arithmetic number, because the mean of its divisors is an integer number (2580625).

Almost surely, 2^5161249 is an apocalyptic number.

It is an amenable number.

5161249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161249 is an equidigital number, since it uses as much as digits as its factorization.

5161249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 5161249 is about 2271.8382424812. The cubic root of 5161249 is about 172.8163933529.

The spelling of 5161249 in words is "five million, one hundred sixty-one thousand, two hundred forty-nine".