85419133 has 2 divisors, whose sum is σ = 85419134. Its totient is φ = 85419132.

The previous prime is 85419109. The next prime is 85419157. The reversal of 85419133 is 33191458.

It is a balanced prime because it is at equal distance from previous prime (85419109) and next prime (85419157).

It can be written as a sum of positive squares in only one way, i.e., 57350329 + 28068804 = 7573^2 + 5298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85419133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85419833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42709566 + 42709567.

It is an arithmetic number, because the mean of its divisors is an integer number (42709567).

Almost surely, 2^85419133 is an apocalyptic number.

It is an amenable number.

85419133 is a deficient number, since it is larger than the sum of its proper divisors (1).

85419133 is an equidigital number, since it uses as much as digits as its factorization.

85419133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 85419133 is about 9242.2471834506. The cubic root of 85419133 is about 440.4044713940.

The spelling of 85419133 in words is "eighty-five million, four hundred nineteen thousand, one hundred thirty-three".