86321925 has 36 divisors (see below), whose sum is σ = 158806180. Its totient is φ = 44789760.

The previous prime is 86321923. The next prime is 86321927. The reversal of 86321925 is 52912368.

86321925 is a `hidden beast` number, since 8 + 632 + 19 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (86321923) and next prime (86321927).

It can be written as a sum of positive squares in 6 ways, for example, as 3038049 + 83283876 = 1743^2 + 9126^2 .

It is not a de Polignac number, because 86321925 - 2¹ = 86321923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86321925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86321923) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 3141 + ... + 13509.

Almost surely, 2^86321925 is an apocalyptic number.

It is an amenable number.

86321925 is a deficient number, since it is larger than the sum of its proper divisors (72484255).

86321925 is a wasteful number, since it uses less digits than its factorization.

86321925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422 (or 10414 counting only the distinct ones).

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

The square root of 86321925 is about 9290.9593153775. The cubic root of 86321925 is about 441.9505773176.

The spelling of 86321925 in words is "eighty-six million, three hundred twenty-one thousand, nine hundred twenty-five".