8168525 has 6 divisors (see below), whose sum is σ = 10129002. Its totient is φ = 6534800.

The previous prime is 8168441. The next prime is 8168533. The reversal of 8168525 is 5258618.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 8168164 = 19^2 + 2858^2 .

It is not a de Polignac number, because 8168525 - 2⁸ = 8168269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163346 + ... + 163395.

It is an arithmetic number, because the mean of its divisors is an integer number (1688167).

Almost surely, 2^8168525 is an apocalyptic number.

It is an amenable number.

8168525 is a deficient number, since it is larger than the sum of its proper divisors (1960477).

8168525 is a wasteful number, since it uses less digits than its factorization.

8168525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326751 (or 326746 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 8168525 is about 2858.0631553554. The cubic root of 8168525 is about 201.3946274667.

The spelling of 8168525 in words is "eight million, one hundred sixty-eight thousand, five hundred twenty-five".