85310051 has 2 divisors, whose sum is σ = 85310052. Its totient is φ = 85310050.

The previous prime is 85310041. The next prime is 85310107. The reversal of 85310051 is 15001358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85310051 - 2¹⁰ = 85309027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 85309999 and 85310026.

It is not a weakly prime, because it can be changed into another prime (85310011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42655025 + 42655026.

It is an arithmetic number, because the mean of its divisors is an integer number (42655026).

Almost surely, 2^85310051 is an apocalyptic number.

85310051 is a deficient number, since it is larger than the sum of its proper divisors (1).

85310051 is an equidigital number, since it uses as much as digits as its factorization.

85310051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 85310051 is about 9236.3440278067. The cubic root of 85310051 is about 440.2169229966.

The spelling of 85310051 in words is "eighty-five million, three hundred ten thousand, fifty-one".