85626571 has 2 divisors, whose sum is σ = 85626572. Its totient is φ = 85626570.

The previous prime is 85626553. The next prime is 85626587. The reversal of 85626571 is 17562658.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85626571 is a prime.

It is a super-2 number, since 2×85626571² = 14663819322436082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85626551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42813285 + 42813286.

It is an arithmetic number, because the mean of its divisors is an integer number (42813286).

Almost surely, 2^85626571 is an apocalyptic number.

85626571 is a deficient number, since it is larger than the sum of its proper divisors (1).

85626571 is an equidigital number, since it uses as much as digits as its factorization.

85626571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 85626571 is about 9253.4626491925. The cubic root of 85626571 is about 440.7606865525.

It can be divided in two parts, 8562657 and 1, that added together give a palindrome (8562658).

The spelling of 85626571 in words is "eighty-five million, six hundred twenty-six thousand, five hundred seventy-one".