85020833 has 2 divisors, whose sum is σ = 85020834. Its totient is φ = 85020832.

The previous prime is 85020823. The next prime is 85020853. The reversal of 85020833 is 33802058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 25684624 = 7703^2 + 5068^2 .

It is a cyclic number.

It is not a de Polignac number, because 85020833 - 2⁸ = 85020577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85020796 and 85020805.

It is not a weakly prime, because it can be changed into another prime (85020823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42510416 + 42510417.

It is an arithmetic number, because the mean of its divisors is an integer number (42510417).

Almost surely, 2^85020833 is an apocalyptic number.

It is an amenable number.

85020833 is a deficient number, since it is larger than the sum of its proper divisors (1).

85020833 is an equidigital number, since it uses as much as digits as its factorization.

85020833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85020833 is about 9220.6742161298. The cubic root of 85020833 is about 439.7188855178.

The spelling of 85020833 in words is "eighty-five million, twenty thousand, eight hundred thirty-three".