8525137 has 4 divisors (see below), whose sum is σ = 8723440. Its totient is φ = 8326836.

The previous prime is 8525131. The next prime is 8525141. The reversal of 8525137 is 7315258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8525137 - 2¹⁵ = 8492369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8525099 and 8525108.

It is not an unprimeable number, because it can be changed into a prime (8525131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99087 + ... + 99172.

It is an arithmetic number, because the mean of its divisors is an integer number (2180860).

Almost surely, 2^8525137 is an apocalyptic number.

It is an amenable number.

8525137 is a deficient number, since it is larger than the sum of its proper divisors (198303).

8525137 is a wasteful number, since it uses less digits than its factorization.

8525137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198302.

The product of its digits is 8400, while the sum is 31.

The square root of 8525137 is about 2919.7837248673. The cubic root of 8525137 is about 204.2837346843.

The spelling of 8525137 in words is "eight million, five hundred twenty-five thousand, one hundred thirty-seven".