9137525 has 12 divisors (see below), whose sum is σ = 11376132. Its totient is φ = 7280640.

The previous prime is 9137521. The next prime is 9137533. The reversal of 9137525 is 5257319.

It can be written as a sum of positive squares in 6 ways, for example, as 605284 + 8532241 = 778^2 + 2921^2 .

It is not a de Polignac number, because 9137525 - 2² = 9137521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9137491 and 9137500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9137521) 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, 7349 + ... + 8501.

It is an arithmetic number, because the mean of its divisors is an integer number (948011).

Almost surely, 2^9137525 is an apocalyptic number.

It is an amenable number.

9137525 is a deficient number, since it is larger than the sum of its proper divisors (2238607).

9137525 is a wasteful number, since it uses less digits than its factorization.

9137525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its digits is 9450, while the sum is 32.

The square root of 9137525 is about 3022.8339352336. The cubic root of 9137525 is about 209.0625256483.

The spelling of 9137525 in words is "nine million, one hundred thirty-seven thousand, five hundred twenty-five".