84685025 has 24 divisors (see below), whose sum is σ = 109469184. Its totient is φ = 64915200.

The previous prime is 84685009. The next prime is 84685039. The reversal of 84685025 is 52058648.

It is not a de Polignac number, because 84685025 - 2⁴ = 84685009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84685025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87092 + ... + 88058.

It is an arithmetic number, because the mean of its divisors is an integer number (4561216).

Almost surely, 2^84685025 is an apocalyptic number.

It is an amenable number.

84685025 is a deficient number, since it is larger than the sum of its proper divisors (24784159).

84685025 is a wasteful number, since it uses less digits than its factorization.

84685025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 84685025 is about 9202.4466855288. The cubic root of 84685025 is about 439.1392003261.

The spelling of 84685025 in words is "eighty-four million, six hundred eighty-five thousand, twenty-five".