85543025 has 12 divisors (see below), whose sum is σ = 106243200. Its totient is φ = 68324880.

The previous prime is 85543021. The next prime is 85543033. The reversal of 85543025 is 52034558.

It is not a de Polignac number, because 85543025 - 2² = 85543021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85542982 and 85543000.

It is not an unprimeable number, because it can be changed into a prime (85543021) 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 11 ways as a sum of consecutive naturals, for example, 15596 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (8853600).

Almost surely, 2^85543025 is an apocalyptic number.

It is an amenable number.

85543025 is a deficient number, since it is larger than the sum of its proper divisors (20700175).

85543025 is a wasteful number, since it uses less digits than its factorization.

85543025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 85543025 is about 9248.9472373887. The cubic root of 85543025 is about 440.6172895722.

The spelling of 85543025 in words is "eighty-five million, five hundred forty-three thousand, twenty-five".