85522153 has 2 divisors, whose sum is σ = 85522154. Its totient is φ = 85522152.

The previous prime is 85522117. The next prime is 85522169. The reversal of 85522153 is 35122558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81938704 + 3583449 = 9052^2 + 1893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85522153 is a prime.

It is not a weakly prime, because it can be changed into another prime (85522103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42761076 + 42761077.

It is an arithmetic number, because the mean of its divisors is an integer number (42761077).

Almost surely, 2^85522153 is an apocalyptic number.

It is an amenable number.

85522153 is a deficient number, since it is larger than the sum of its proper divisors (1).

85522153 is an equidigital number, since it uses as much as digits as its factorization.

85522153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 31.

The square root of 85522153 is about 9247.8188239173. The cubic root of 85522153 is about 440.5814506395.

The spelling of 85522153 in words is "eighty-five million, five hundred twenty-two thousand, one hundred fifty-three".