85393349 has 2 divisors, whose sum is σ = 85393350. Its totient is φ = 85393348.

The previous prime is 85393339. The next prime is 85393381. The reversal of 85393349 is 94339358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 12376324 = 8545^2 + 3518^2 .

It is a cyclic number.

It is not a de Polignac number, because 85393349 - 2¹⁶ = 85327813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85393339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42696674 + 42696675.

It is an arithmetic number, because the mean of its divisors is an integer number (42696675).

Almost surely, 2^85393349 is an apocalyptic number.

It is an amenable number.

85393349 is a deficient number, since it is larger than the sum of its proper divisors (1).

85393349 is an equidigital number, since it uses as much as digits as its factorization.

85393349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 85393349 is about 9240.8521793177. The cubic root of 85393349 is about 440.3601545014.

The spelling of 85393349 in words is "eighty-five million, three hundred ninety-three thousand, three hundred forty-nine".