8537225 has 12 divisors (see below), whose sum is σ = 10845660. Its totient is φ = 6662400.

The previous prime is 8537219. The next prime is 8537237. The reversal of 8537225 is 5227358.

It can be written as a sum of positive squares in 6 ways, for example, as 3024121 + 5513104 = 1739^2 + 2348^2 .

It is not a de Polignac number, because 8537225 - 2¹⁰ = 8536201 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 a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8537191 and 8537200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3140 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (903805).

Almost surely, 2^8537225 is an apocalyptic number.

It is an amenable number.

8537225 is a deficient number, since it is larger than the sum of its proper divisors (2308435).

8537225 is a wasteful number, since it uses less digits than its factorization.

8537225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8375 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 8537225 is about 2921.8530079386. The cubic root of 8537225 is about 204.3802420512.

The spelling of 8537225 in words is "eight million, five hundred thirty-seven thousand, two hundred twenty-five".