85601701 has 2 divisors, whose sum is σ = 85601702. Its totient is φ = 85601700.

The previous prime is 85601693. The next prime is 85601717. The reversal of 85601701 is 10710658.

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., 84621601 + 980100 = 9199^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 85601701 - 2³ = 85601693 is a prime.

It is a super-3 number, since 3×85601701³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85601701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85641701) 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, 42800850 + 42800851.

It is an arithmetic number, because the mean of its divisors is an integer number (42800851).

Almost surely, 2^85601701 is an apocalyptic number.

It is an amenable number.

85601701 is a deficient number, since it is larger than the sum of its proper divisors (1).

85601701 is an equidigital number, since it uses as much as digits as its factorization.

85601701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 85601701 is about 9252.1187303233. The cubic root of 85601701 is about 440.7180098476.

The spelling of 85601701 in words is "eighty-five million, six hundred one thousand, seven hundred one".