8189525 has 6 divisors (see below), whose sum is σ = 10155042. Its totient is φ = 6551600.

The previous prime is 8189521. The next prime is 8189537. The reversal of 8189525 is 5259818.

It can be written as a sum of positive squares in 3 ways, for example, as 1844164 + 6345361 = 1358^2 + 2519^2 .

It is not a de Polignac number, because 8189525 - 2² = 8189521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163766 + ... + 163815.

It is an arithmetic number, because the mean of its divisors is an integer number (1692507).

Almost surely, 2^8189525 is an apocalyptic number.

It is an amenable number.

8189525 is a deficient number, since it is larger than the sum of its proper divisors (1965517).

8189525 is a wasteful number, since it uses less digits than its factorization.

8189525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327591 (or 327586 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 8189525 is about 2861.7346138313. The cubic root of 8189525 is about 201.5670644761.

The spelling of 8189525 in words is "eight million, one hundred eighty-nine thousand, five hundred twenty-five".