86504225 has 12 divisors (see below), whose sum is σ = 107401980. Its totient is φ = 69115200.

The previous prime is 86504203. The next prime is 86504227. The reversal of 86504225 is 52240568.

It can be written as a sum of positive squares in 6 ways, for example, as 3621409 + 82882816 = 1903^2 + 9104^2 .

It is not a de Polignac number, because 86504225 - 2⁸ = 86503969 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86504191 and 86504200.

It is not an unprimeable number, because it can be changed into a prime (86504227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23831 + ... + 27219.

It is an arithmetic number, because the mean of its divisors is an integer number (8950165).

Almost surely, 2^86504225 is an apocalyptic number.

It is an amenable number.

86504225 is a deficient number, since it is larger than the sum of its proper divisors (20897755).

86504225 is a wasteful number, since it uses less digits than its factorization.

86504225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 86504225 is about 9300.7647535028. The cubic root of 86504225 is about 442.2614714534.

The spelling of 86504225 in words is "eighty-six million, five hundred four thousand, two hundred twenty-five".