85085353 has 2 divisors, whose sum is σ = 85085354. Its totient is φ = 85085352.

The previous prime is 85085339. The next prime is 85085381. The reversal of 85085353 is 35358058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 32855824 = 7227^2 + 5732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85085353 is a prime.

It is not a weakly prime, because it can be changed into another prime (85085453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42542676 + 42542677.

It is an arithmetic number, because the mean of its divisors is an integer number (42542677).

Almost surely, 2^85085353 is an apocalyptic number.

It is an amenable number.

85085353 is a deficient number, since it is larger than the sum of its proper divisors (1).

85085353 is an equidigital number, since it uses as much as digits as its factorization.

85085353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 85085353 is about 9224.1722121825. The cubic root of 85085353 is about 439.8300876312.

It can be divided in two parts, 8508 and 5353, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 85085353 in words is "eighty-five million, eighty-five thousand, three hundred fifty-three".