2816501 has 2 divisors, whose sum is σ = 2816502. Its totient is φ = 2816500.

The previous prime is 2816459. The next prime is 2816507. The reversal of 2816501 is 1056182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 1100401 = 1310^2 + 1049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2816501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2816507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408250 + 1408251.

It is an arithmetic number, because the mean of its divisors is an integer number (1408251).

2^2816501 is an apocalyptic number.

It is an amenable number.

2816501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816501 is an equidigital number, since it uses as much as digits as its factorization.

2816501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2816501 is about 1678.2434269199. The cubic root of 2816501 is about 141.2223074643. Note that the first 3 decimals are identical.

The spelling of 2816501 in words is "two million, eight hundred sixteen thousand, five hundred one".