82243801 has 2 divisors, whose sum is σ = 82243802. Its totient is φ = 82243800.

The previous prime is 82243753. The next prime is 82243813. The reversal of 82243801 is 10834228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43243776 + 39000025 = 6576^2 + 6245^2 .

It is a cyclic number.

It is not a de Polignac number, because 82243801 - 2⁷ = 82243673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82243801.

It is not a weakly prime, because it can be changed into another prime (82243891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41121900 + 41121901.

It is an arithmetic number, because the mean of its divisors is an integer number (41121901).

Almost surely, 2^82243801 is an apocalyptic number.

It is an amenable number.

82243801 is a deficient number, since it is larger than the sum of its proper divisors (1).

82243801 is an equidigital number, since it uses as much as digits as its factorization.

82243801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 82243801 is about 9068.8368052358. The cubic root of 82243801 is about 434.8782871705.

The spelling of 82243801 in words is "eighty-two million, two hundred forty-three thousand, eight hundred one".