85715941 has 2 divisors, whose sum is σ = 85715942. Its totient is φ = 85715940.

The previous prime is 85715933. The next prime is 85715969. The reversal of 85715941 is 14951758.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66487716 + 19228225 = 8154^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 85715941 - 2³ = 85715933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85715894 and 85715903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85715041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42857970 + 42857971.

It is an arithmetic number, because the mean of its divisors is an integer number (42857971).

Almost surely, 2^85715941 is an apocalyptic number.

It is an amenable number.

85715941 is a deficient number, since it is larger than the sum of its proper divisors (1).

85715941 is an equidigital number, since it uses as much as digits as its factorization.

85715941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 40.

The square root of 85715941 is about 9258.2903929397. The cubic root of 85715941 is about 440.9139765331.

The spelling of 85715941 in words is "eighty-five million, seven hundred fifteen thousand, nine hundred forty-one".