85371527 has 2 divisors, whose sum is σ = 85371528. Its totient is φ = 85371526.

The previous prime is 85371523. The next prime is 85371571. The reversal of 85371527 is 72517358.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85371527 - 2² = 85371523 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85371523) 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, 42685763 + 42685764.

It is an arithmetic number, because the mean of its divisors is an integer number (42685764).

Almost surely, 2^85371527 is an apocalyptic number.

85371527 is a deficient number, since it is larger than the sum of its proper divisors (1).

85371527 is an equidigital number, since it uses as much as digits as its factorization.

85371527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 85371527 is about 9239.6713686148. The cubic root of 85371527 is about 440.3226404246.

The spelling of 85371527 in words is "eighty-five million, three hundred seventy-one thousand, five hundred twenty-seven".