2805533 has 2 divisors, whose sum is σ = 2805534. Its totient is φ = 2805532.

The previous prime is 2805529. The next prime is 2805577. The reversal of 2805533 is 3355082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2647129 + 158404 = 1627^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805533 - 2² = 2805529 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 (2805233) 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, 1402766 + 1402767.

It is an arithmetic number, because the mean of its divisors is an integer number (1402767).

2^2805533 is an apocalyptic number.

It is an amenable number.

2805533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805533 is an equidigital number, since it uses as much as digits as its factorization.

2805533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2805533 is about 1674.9725370883. The cubic root of 2805533 is about 141.0387533268.

The spelling of 2805533 in words is "two million, eight hundred five thousand, five hundred thirty-three".