85203089 has 2 divisors, whose sum is σ = 85203090. Its totient is φ = 85203088.

The previous prime is 85203077. The next prime is 85203101. The reversal of 85203089 is 98030258.

It is a balanced prime because it is at equal distance from previous prime (85203077) and next prime (85203101).

It can be written as a sum of positive squares in only one way, i.e., 84953089 + 250000 = 9217^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 85203089 - 2¹⁶ = 85137553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85203389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42601544 + 42601545.

It is an arithmetic number, because the mean of its divisors is an integer number (42601545).

Almost surely, 2^85203089 is an apocalyptic number.

It is an amenable number.

85203089 is a deficient number, since it is larger than the sum of its proper divisors (1).

85203089 is an equidigital number, since it uses as much as digits as its factorization.

85203089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 85203089 is about 9230.5519336603. The cubic root of 85203089 is about 440.0328642808.

The spelling of 85203089 in words is "eighty-five million, two hundred three thousand, eighty-nine".