86219325 has 36 divisors (see below), whose sum is σ = 163519668. Its totient is φ = 43276800.

The previous prime is 86219299. The next prime is 86219333. The reversal of 86219325 is 52391268.

86219325 is a `hidden beast` number, since 8 + 621 + 9 + 3 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2277081 + 83942244 = 1509^2 + 9162^2 .

It is not a de Polignac number, because 86219325 - 2⁸ = 86219069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86219325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7446 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (4542213).

Almost surely, 2^86219325 is an apocalyptic number.

86219325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86219325 is a deficient number, since it is larger than the sum of its proper divisors (77300343).

86219325 is a wasteful number, since it uses less digits than its factorization.

86219325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574 (or 22566 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 86219325 is about 9285.4361771540. The cubic root of 86219325 is about 441.7754109040.

The spelling of 86219325 in words is "eighty-six million, two hundred nineteen thousand, three hundred twenty-five".