842533247 has 2 divisors, whose sum is σ = 842533248. Its totient is φ = 842533246.

The previous prime is 842533229. The next prime is 842533273. The reversal of 842533247 is 742335248.

842533247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842533247 - 2¹² = 842529151 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842533247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842233247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421266623 + 421266624.

It is an arithmetic number, because the mean of its divisors is an integer number (421266624).

Almost surely, 2^842533247 is an apocalyptic number.

842533247 is a deficient number, since it is larger than the sum of its proper divisors (1).

842533247 is an equidigital number, since it uses as much as digits as its factorization.

842533247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

The square root of 842533247 is about 29026.4232553720. The cubic root of 842533247 is about 944.4863429127.

The spelling of 842533247 in words is "eight hundred forty-two million, five hundred thirty-three thousand, two hundred forty-seven".