86451725 has 12 divisors (see below), whose sum is σ = 107847264. Its totient is φ = 68743920.

The previous prime is 86451719. The next prime is 86451727. The reversal of 86451725 is 52715468.

It is not a de Polignac number, because 86451725 - 2⁶ = 86451661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86451727) 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, 6179 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (8987272).

Almost surely, 2^86451725 is an apocalyptic number.

It is an amenable number.

86451725 is a deficient number, since it is larger than the sum of its proper divisors (21395539).

86451725 is a wasteful number, since it uses less digits than its factorization.

86451725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20884 (or 20879 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 86451725 is about 9297.9419765882. The cubic root of 86451725 is about 442.1719828531.

The spelling of 86451725 in words is "eighty-six million, four hundred fifty-one thousand, seven hundred twenty-five".