86537125 has 8 divisors (see below), whose sum is σ = 107998488. Its totient is φ = 69229600.

The previous prime is 86537081. The next prime is 86537141. The reversal of 86537125 is 52173568.

It can be written as a sum of positive squares in 4 ways, for example, as 23794884 + 62742241 = 4878^2 + 7921^2 .

It is not a de Polignac number, because 86537125 - 2¹³ = 86528933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346024 + ... + 346273.

It is an arithmetic number, because the mean of its divisors is an integer number (13499811).

Almost surely, 2^86537125 is an apocalyptic number.

It is an amenable number.

86537125 is a deficient number, since it is larger than the sum of its proper divisors (21461363).

86537125 is an equidigital number, since it uses as much as digits as its factorization.

86537125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692312 (or 692302 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 86537125 is about 9302.5332571295. The cubic root of 86537125 is about 442.3175325231.

The spelling of 86537125 in words is "eighty-six million, five hundred thirty-seven thousand, one hundred twenty-five".