5182721 has 2 divisors, whose sum is σ = 5182722. Its totient is φ = 5182720.

The previous prime is 5182717. The next prime is 5182757. The reversal of 5182721 is 1272815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 2496400 = 1639^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5182721 - 2² = 5182717 is a prime.

It is not a weakly prime, because it can be changed into another prime (5181721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2591360 + 2591361.

It is an arithmetic number, because the mean of its divisors is an integer number (2591361).

Almost surely, 2^5182721 is an apocalyptic number.

It is an amenable number.

5182721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5182721 is an equidigital number, since it uses as much as digits as its factorization.

5182721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 26.

The square root of 5182721 is about 2276.5590262499. The cubic root of 5182721 is about 173.0557139544.

The spelling of 5182721 in words is "five million, one hundred eighty-two thousand, seven hundred twenty-one".