5156449 has 2 divisors, whose sum is σ = 5156450. Its totient is φ = 5156448.

The previous prime is 5156441. The next prime is 5156471. The reversal of 5156449 is 9446515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125824 + 2030625 = 1768^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156449 - 2³ = 5156441 is a prime.

It is not a weakly prime, because it can be changed into another prime (5156441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578224 + 2578225.

It is an arithmetic number, because the mean of its divisors is an integer number (2578225).

Almost surely, 2^5156449 is an apocalyptic number.

It is an amenable number.

5156449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156449 is an equidigital number, since it uses as much as digits as its factorization.

5156449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 5156449 is about 2270.7815835082. The cubic root of 5156449 is about 172.7628032255.

The spelling of 5156449 in words is "five million, one hundred fifty-six thousand, four hundred forty-nine".