85635293 has 2 divisors, whose sum is σ = 85635294. Its totient is φ = 85635292.

The previous prime is 85635287. The next prime is 85635311. The reversal of 85635293 is 39253658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 41306329 = 6658^2 + 6427^2 .

It is a cyclic number.

It is not a de Polignac number, because 85635293 - 2⁸ = 85635037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85635293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85605293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42817646 + 42817647.

It is an arithmetic number, because the mean of its divisors is an integer number (42817647).

Almost surely, 2^85635293 is an apocalyptic number.

It is an amenable number.

85635293 is a deficient number, since it is larger than the sum of its proper divisors (1).

85635293 is an equidigital number, since it uses as much as digits as its factorization.

85635293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 85635293 is about 9253.9339202309. The cubic root of 85635293 is about 440.7756514719.

The spelling of 85635293 in words is "eighty-five million, six hundred thirty-five thousand, two hundred ninety-three".