85526501 has 2 divisors, whose sum is σ = 85526502. Its totient is φ = 85526500.

The previous prime is 85526449. The next prime is 85526503. The reversal of 85526501 is 10562558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84088900 + 1437601 = 9170^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 85526501 - 2¹⁸ = 85264357 is a prime.

Together with 85526503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85526503) 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, 42763250 + 42763251.

It is an arithmetic number, because the mean of its divisors is an integer number (42763251).

Almost surely, 2^85526501 is an apocalyptic number.

It is an amenable number.

85526501 is a deficient number, since it is larger than the sum of its proper divisors (1).

85526501 is an equidigital number, since it uses as much as digits as its factorization.

85526501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 85526501 is about 9248.0539033896. The cubic root of 85526501 is about 440.5889169922.

The spelling of 85526501 in words is "eighty-five million, five hundred twenty-six thousand, five hundred one".