85351061 has 2 divisors, whose sum is σ = 85351062. Its totient is φ = 85351060.

The previous prime is 85351039. The next prime is 85351069. The reversal of 85351061 is 16015358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 600625 = 9206^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 85351061 - 2⁶ = 85350997 is a prime.

It is a super-2 number, since 2×85351061² = 14569607227651442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85351069) 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, 42675530 + 42675531.

It is an arithmetic number, because the mean of its divisors is an integer number (42675531).

Almost surely, 2^85351061 is an apocalyptic number.

It is an amenable number.

85351061 is a deficient number, since it is larger than the sum of its proper divisors (1).

85351061 is an equidigital number, since it uses as much as digits as its factorization.

85351061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 85351061 is about 9238.5637953093. The cubic root of 85351061 is about 440.2874516300.

The spelling of 85351061 in words is "eighty-five million, three hundred fifty-one thousand, sixty-one".