2484721 has 2 divisors, whose sum is σ = 2484722. Its totient is φ = 2484720.

The previous prime is 2484707. The next prime is 2484731. The reversal of 2484721 is 1274842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 4096 = 1575^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 2484721 - 2⁵ = 2484689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2484721.

It is not a weakly prime, because it can be changed into another prime (2484731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242360 + 1242361.

It is an arithmetic number, because the mean of its divisors is an integer number (1242361).

2^2484721 is an apocalyptic number.

It is an amenable number.

2484721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2484721 is an equidigital number, since it uses as much as digits as its factorization.

2484721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 2484721 is about 1576.2997811330. The cubic root of 2484721 is about 135.4438250644.

The spelling of 2484721 in words is "two million, four hundred eighty-four thousand, seven hundred twenty-one".