15125085 has 12 divisors (see below), whose sum is σ = 26216892. Its totient is φ = 8066688.

The previous prime is 15125081. The next prime is 15125111. The reversal of 15125085 is 58052151.

15125085 is a `hidden beast` number, since 151 + 2 + 508 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 11168964 = 1989^2 + 3342^2 .

It is not a de Polignac number, because 15125085 - 2² = 15125081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125081) 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, 168012 + ... + 168101.

It is an arithmetic number, because the mean of its divisors is an integer number (2184741).

Almost surely, 2^15125085 is an apocalyptic number.

15125085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15125085 is a deficient number, since it is larger than the sum of its proper divisors (11091807).

15125085 is a wasteful number, since it uses less digits than its factorization.

15125085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336124 (or 336121 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 15125085 is about 3889.0982245245. The cubic root of 15125085 is about 247.3048354315.

The spelling of 15125085 in words is "fifteen million, one hundred twenty-five thousand, eighty-five".