85080001 has 2 divisors, whose sum is σ = 85080002. Its totient is φ = 85080000.

The previous prime is 85079993. The next prime is 85080007. The reversal of 85080001 is 10008058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 19793601 = 8080^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 85080001 - 2³ = 85079993 is a prime.

It is not a weakly prime, because it can be changed into another prime (85080007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42540000 + 42540001.

It is an arithmetic number, because the mean of its divisors is an integer number (42540001).

Almost surely, 2^85080001 is an apocalyptic number.

It is an amenable number.

85080001 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080001 is an equidigital number, since it uses as much as digits as its factorization.

85080001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 85080001 is about 9223.8821002873. The cubic root of 85080001 is about 439.8208654408.

Adding to 85080001 its reverse (10008058), we get a palindrome (95088059).

The spelling of 85080001 in words is "eighty-five million, eighty thousand, one".