85349533 has 2 divisors, whose sum is σ = 85349534. Its totient is φ = 85349532.

The previous prime is 85349521. The next prime is 85349567. The reversal of 85349533 is 33594358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84143929 + 1205604 = 9173^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 85349533 - 2¹³ = 85341341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85349633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42674766 + 42674767.

It is an arithmetic number, because the mean of its divisors is an integer number (42674767).

Almost surely, 2^85349533 is an apocalyptic number.

It is an amenable number.

85349533 is a deficient number, since it is larger than the sum of its proper divisors (1).

85349533 is an equidigital number, since it uses as much as digits as its factorization.

85349533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 85349533 is about 9238.4810981027. The cubic root of 85349533 is about 440.2848241944.

The spelling of 85349533 in words is "eighty-five million, three hundred forty-nine thousand, five hundred thirty-three".