85938253 has 2 divisors, whose sum is σ = 85938254. Its totient is φ = 85938252.

The previous prime is 85938241. The next prime is 85938263. The reversal of 85938253 is 35283958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44116164 + 41822089 = 6642^2 + 6467^2 .

It is a cyclic number.

It is not a de Polignac number, because 85938253 - 2²¹ = 83841101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85938263) 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, 42969126 + 42969127.

It is an arithmetic number, because the mean of its divisors is an integer number (42969127).

Almost surely, 2^85938253 is an apocalyptic number.

It is an amenable number.

85938253 is a deficient number, since it is larger than the sum of its proper divisors (1).

85938253 is an equidigital number, since it uses as much as digits as its factorization.

85938253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 85938253 is about 9270.2887225803. The cubic root of 85938253 is about 441.2948308101.

The spelling of 85938253 in words is "eighty-five million, nine hundred thirty-eight thousand, two hundred fifty-three".