86280525 has 96 divisors (see below), whose sum is σ = 171774720. Its totient is φ = 42301440.

The previous prime is 86280511. The next prime is 86280547. The reversal of 86280525 is 52508268.

86280525 is a `hidden beast` number, since 8 + 628 + 0 + 5 + 25 = 666.

It is not a de Polignac number, because 86280525 - 2¹² = 86276429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86280525.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 837624 + ... + 837726.

It is an arithmetic number, because the mean of its divisors is an integer number (1789320).

Almost surely, 2^86280525 is an apocalyptic number.

86280525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86280525 is a deficient number, since it is larger than the sum of its proper divisors (85494195).

86280525 is a wasteful number, since it uses less digits than its factorization.

86280525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 86280525 is about 9288.7310758790. The cubic root of 86280525 is about 441.8799128457.

The spelling of 86280525 in words is "eighty-six million, two hundred eighty thousand, five hundred twenty-five".