85001369 has 2 divisors, whose sum is σ = 85001370. Its totient is φ = 85001368.

The previous prime is 85001339. The next prime is 85001387. The reversal of 85001369 is 96310058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 7912969 = 8780^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 85001369 - 2⁸ = 85001113 is a prime.

It is a super-2 number, since 2×85001369² = 14450465463748322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (85001339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42500684 + 42500685.

It is an arithmetic number, because the mean of its divisors is an integer number (42500685).

Almost surely, 2^85001369 is an apocalyptic number.

It is an amenable number.

85001369 is a deficient number, since it is larger than the sum of its proper divisors (1).

85001369 is an equidigital number, since it uses as much as digits as its factorization.

85001369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 85001369 is about 9219.6187014431. The cubic root of 85001369 is about 439.6853276972.

The spelling of 85001369 in words is "eighty-five million, one thousand, three hundred sixty-nine".