845883133 has 2 divisors, whose sum is σ = 845883134. Its totient is φ = 845883132.

The previous prime is 845883091. The next prime is 845883139. The reversal of 845883133 is 331388548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845762724 + 120409 = 29082^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 845883133 - 2¹³ = 845874941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845883133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845883139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422941566 + 422941567.

It is an arithmetic number, because the mean of its divisors is an integer number (422941567).

Almost surely, 2^845883133 is an apocalyptic number.

It is an amenable number.

845883133 is a deficient number, since it is larger than the sum of its proper divisors (1).

845883133 is an equidigital number, since it uses as much as digits as its factorization.

845883133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The square root of 845883133 is about 29084.0700899994. The cubic root of 845883133 is about 945.7364370419.

The spelling of 845883133 in words is "eight hundred forty-five million, eight hundred eighty-three thousand, one hundred thirty-three".