85110013 has 2 divisors, whose sum is σ = 85110014. Its totient is φ = 85110012.

The previous prime is 85109993. The next prime is 85110019. The reversal of 85110013 is 31001158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 2427364 = 9093^2 + 1558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85110013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85110019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42555006 + 42555007.

It is an arithmetic number, because the mean of its divisors is an integer number (42555007).

Almost surely, 2^85110013 is an apocalyptic number.

It is an amenable number.

85110013 is a deficient number, since it is larger than the sum of its proper divisors (1).

85110013 is an equidigital number, since it uses as much as digits as its factorization.

85110013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 85110013 is about 9225.5088206559. The cubic root of 85110013 is about 439.8725750156.

The spelling of 85110013 in words is "eighty-five million, one hundred ten thousand, thirteen".