85022753 has 4 divisors (see below), whose sum is σ = 85514388. Its totient is φ = 84531120.

The previous prime is 85022737. The next prime is 85022761. The reversal of 85022753 is 35722058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35722058 = 2 ⋅17861029.

It can be written as a sum of positive squares in 2 ways, for example, as 32126224 + 52896529 = 5668^2 + 7273^2 .

It is a cyclic number.

It is not a de Polignac number, because 85022753 - 2⁴ = 85022737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85022453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245558 + ... + 245903.

It is an arithmetic number, because the mean of its divisors is an integer number (21378597).

Almost surely, 2^85022753 is an apocalyptic number.

It is an amenable number.

85022753 is a deficient number, since it is larger than the sum of its proper divisors (491635).

85022753 is a wasteful number, since it uses less digits than its factorization.

85022753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491634.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 85022753 is about 9220.7783294037. The cubic root of 85022753 is about 439.7221955062.

The spelling of 85022753 in words is "eighty-five million, twenty-two thousand, seven hundred fifty-three".