85069133 has 2 divisors, whose sum is σ = 85069134. Its totient is φ = 85069132.

The previous prime is 85069129. The next prime is 85069181. The reversal of 85069133 is 33196058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 24571849 = 7778^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 85069133 - 2² = 85069129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85069093 and 85069102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85069123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42534566 + 42534567.

It is an arithmetic number, because the mean of its divisors is an integer number (42534567).

Almost surely, 2^85069133 is an apocalyptic number.

It is an amenable number.

85069133 is a deficient number, since it is larger than the sum of its proper divisors (1).

85069133 is an equidigital number, since it uses as much as digits as its factorization.

85069133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 85069133 is about 9223.2929585913. The cubic root of 85069133 is about 439.8021372765.

The spelling of 85069133 in words is "eighty-five million, sixty-nine thousand, one hundred thirty-three".