85207524 has 24 divisors (see below), whose sum is σ = 200678688. Its totient is φ = 28136640.

The previous prime is 85207523. The next prime is 85207531. The reversal of 85207524 is 42570258.

It is not an unprimeable number, because it can be changed into a prime (85207523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31897 + ... + 34464.

It is an arithmetic number, because the mean of its divisors is an integer number (8361612).

Almost surely, 2^85207524 is an apocalyptic number.

It is an amenable number.

85207524 is an abundant number, since it is smaller than the sum of its proper divisors (115471164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85207524 is a wasteful number, since it uses less digits than its factorization.

85207524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66475 (or 66473 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 85207524 is about 9230.7921653561. The cubic root of 85207524 is about 440.0404990270.

The spelling of 85207524 in words is "eighty-five million, two hundred seven thousand, five hundred twenty-four".