85271713 has 2 divisors, whose sum is σ = 85271714. Its totient is φ = 85271712.

The previous prime is 85271671. The next prime is 85271723. The reversal of 85271713 is 31717258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 20903184 = 8023^2 + 4572^2 .

It is a cyclic number.

It is not a de Polignac number, because 85271713 - 2²¹ = 83174561 is a prime.

It is not a weakly prime, because it can be changed into another prime (85271723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42635856 + 42635857.

It is an arithmetic number, because the mean of its divisors is an integer number (42635857).

Almost surely, 2^85271713 is an apocalyptic number.

It is an amenable number.

85271713 is a deficient number, since it is larger than the sum of its proper divisors (1).

85271713 is an equidigital number, since it uses as much as digits as its factorization.

85271713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 85271713 is about 9234.2684063222. The cubic root of 85271713 is about 440.1509692003.

The spelling of 85271713 in words is "eighty-five million, two hundred seventy-one thousand, seven hundred thirteen".