85196653 has 2 divisors, whose sum is σ = 85196654. Its totient is φ = 85196652.

The previous prime is 85196611. The next prime is 85196701. The reversal of 85196653 is 35669158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 10771524 = 8627^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 85196653 - 2²¹ = 83099501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85196453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42598326 + 42598327.

It is an arithmetic number, because the mean of its divisors is an integer number (42598327).

Almost surely, 2^85196653 is an apocalyptic number.

It is an amenable number.

85196653 is a deficient number, since it is larger than the sum of its proper divisors (1).

85196653 is an equidigital number, since it uses as much as digits as its factorization.

85196653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 85196653 is about 9230.2033022030. The cubic root of 85196653 is about 440.0217843898.

It can be divided in two parts, 85196 and 653, that added together give a square (85849 = 293²).

The spelling of 85196653 in words is "eighty-five million, one hundred ninety-six thousand, six hundred fifty-three".