86436225 has 36 divisors (see below), whose sum is σ = 162973200. Its totient is φ = 43670880.

The previous prime is 86436223. The next prime is 86436227. The reversal of 86436225 is 52263468.

86436225 is a `hidden beast` number, since 8 + 643 + 6 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (86436223) and next prime (86436227).

It is not a de Polignac number, because 86436225 - 2¹ = 86436223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86436225.

It is not an unprimeable number, because it can be changed into a prime (86436223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5835 + ... + 14384.

Almost surely, 2^86436225 is an apocalyptic number.

It is an amenable number.

86436225 is a deficient number, since it is larger than the sum of its proper divisors (76536975).

86436225 is a wasteful number, since it uses less digits than its factorization.

86436225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20254 (or 20246 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 86436225 is about 9297.1084214394. The cubic root of 86436225 is about 442.1455554823.

It can be divided in two parts, 86436 and 225, that multiplied together give a square (19448100 = 4410²).

The spelling of 86436225 in words is "eighty-six million, four hundred thirty-six thousand, two hundred twenty-five".