85810003 has 2 divisors, whose sum is σ = 85810004. Its totient is φ = 85810002.

The previous prime is 85809989. The next prime is 85810027. The reversal of 85810003 is 30001858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85810003 - 2²¹ = 83712851 is a prime.

It is a super-2 number, since 2×85810003² = 14726713229720018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85810003.

It is not a weakly prime, because it can be changed into another prime (85810063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42905001 + 42905002.

It is an arithmetic number, because the mean of its divisors is an integer number (42905002).

Almost surely, 2^85810003 is an apocalyptic number.

85810003 is a deficient number, since it is larger than the sum of its proper divisors (1).

85810003 is an equidigital number, since it uses as much as digits as its factorization.

85810003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 85810003 is about 9263.3688796247. The cubic root of 85810003 is about 441.0751993221.

The spelling of 85810003 in words is "eighty-five million, eight hundred ten thousand, three".