8507525 has 12 divisors (see below), whose sum is σ = 11361252. Its totient is φ = 6282240.

The previous prime is 8507483. The next prime is 8507537. The reversal of 8507525 is 5257058.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 16129 + 8491396 = 127^2 + 2914^2 .

It is not a de Polignac number, because 8507525 - 2⁶ = 8507461 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8507491 and 8507500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12764 + ... + 13413.

It is an arithmetic number, because the mean of its divisors is an integer number (946771).

Almost surely, 2^8507525 is an apocalyptic number.

It is an amenable number.

8507525 is a deficient number, since it is larger than the sum of its proper divisors (2853727).

8507525 is a wasteful number, since it uses less digits than its factorization.

8507525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26200 (or 26195 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 8507525 is about 2916.7661887783. The cubic root of 8507525 is about 204.1429617534.

The spelling of 8507525 in words is "eight million, five hundred seven thousand, five hundred twenty-five".