85003001 has 2 divisors, whose sum is σ = 85003002. Its totient is φ = 85003000.

The previous prime is 85002997. The next prime is 85003003. The reversal of 85003001 is 10030058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83247376 + 1755625 = 9124^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 85003001 - 2² = 85002997 is a prime.

Together with 85003003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85003003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42501500 + 42501501.

It is an arithmetic number, because the mean of its divisors is an integer number (42501501).

Almost surely, 2^85003001 is an apocalyptic number.

It is an amenable number.

85003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

85003001 is an equidigital number, since it uses as much as digits as its factorization.

85003001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 85003001 is about 9219.7072079324. The cubic root of 85003001 is about 439.6881416200.

Adding to 85003001 its reverse (10030058), we get a palindrome (95033059).

The spelling of 85003001 in words is "eighty-five million, three thousand, one".