85006903 has 2 divisors, whose sum is σ = 85006904. Its totient is φ = 85006902.

The previous prime is 85006897. The next prime is 85006907. The reversal of 85006903 is 30960058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85006903 - 2⁹ = 85006391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85006907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42503451 + 42503452.

It is an arithmetic number, because the mean of its divisors is an integer number (42503452).

Almost surely, 2^85006903 is an apocalyptic number.

85006903 is a deficient number, since it is larger than the sum of its proper divisors (1).

85006903 is an equidigital number, since it uses as much as digits as its factorization.

85006903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 85006903 is about 9219.9188174300. The cubic root of 85006903 is about 439.6948693702.

The spelling of 85006903 in words is "eighty-five million, six thousand, nine hundred three".