85002901 has 2 divisors, whose sum is σ = 85002902. Its totient is φ = 85002900.

The previous prime is 85002889. The next prime is 85002919. The reversal of 85002901 is 10920058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 10595025 = 8626^2 + 3255^2 .

It is a cyclic number.

It is not a de Polignac number, because 85002901 - 2¹³ = 84994709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85002991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42501450 + 42501451.

It is an arithmetic number, because the mean of its divisors is an integer number (42501451).

Almost surely, 2^85002901 is an apocalyptic number.

It is an amenable number.

85002901 is a deficient number, since it is larger than the sum of its proper divisors (1).

85002901 is an equidigital number, since it uses as much as digits as its factorization.

85002901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 85002901 is about 9219.7017847651. The cubic root of 85002901 is about 439.6879691993.

Adding to 85002901 its reverse (10920058), we get a palindrome (95922959).

The spelling of 85002901 in words is "eighty-five million, two thousand, nine hundred one".