85007291 has 2 divisors, whose sum is σ = 85007292. Its totient is φ = 85007290.

The previous prime is 85007269. The next prime is 85007297. The reversal of 85007291 is 19270058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85007291 - 2¹⁰ = 85006267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85007297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42503645 + 42503646.

It is an arithmetic number, because the mean of its divisors is an integer number (42503646).

Almost surely, 2^85007291 is an apocalyptic number.

85007291 is a deficient number, since it is larger than the sum of its proper divisors (1).

85007291 is an equidigital number, since it uses as much as digits as its factorization.

85007291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 85007291 is about 9219.9398588060. The cubic root of 85007291 is about 439.6955383408.

The spelling of 85007291 in words is "eighty-five million, seven thousand, two hundred ninety-one".