85527259 has 2 divisors, whose sum is σ = 85527260. Its totient is φ = 85527258.

The previous prime is 85527257. The next prime is 85527283. The reversal of 85527259 is 95272558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85527259 - 2¹ = 85527257 is a prime.

Together with 85527257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85527257) 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, 42763629 + 42763630.

It is an arithmetic number, because the mean of its divisors is an integer number (42763630).

Almost surely, 2^85527259 is an apocalyptic number.

85527259 is a deficient number, since it is larger than the sum of its proper divisors (1).

85527259 is an equidigital number, since it uses as much as digits as its factorization.

85527259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 43.

The square root of 85527259 is about 9248.0948848939. The cubic root of 85527259 is about 440.5902185982.

The spelling of 85527259 in words is "eighty-five million, five hundred twenty-seven thousand, two hundred fifty-nine".