85351841 has 2 divisors, whose sum is σ = 85351842. Its totient is φ = 85351840.

The previous prime is 85351831. The next prime is 85351907. The reversal of 85351841 is 14815358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68541841 + 16810000 = 8279^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 85351841 - 2¹⁰ = 85350817 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (85351831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42675920 + 42675921.

It is an arithmetic number, because the mean of its divisors is an integer number (42675921).

Almost surely, 2^85351841 is an apocalyptic number.

It is an amenable number.

85351841 is a deficient number, since it is larger than the sum of its proper divisors (1).

85351841 is an equidigital number, since it uses as much as digits as its factorization.

85351841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 35.

The square root of 85351841 is about 9238.6060095666. The cubic root of 85351841 is about 440.2887928481.

The spelling of 85351841 in words is "eighty-five million, three hundred fifty-one thousand, eight hundred forty-one".