8145825 has 24 divisors (see below), whose sum is σ = 13549728. Its totient is φ = 4318080.

The previous prime is 8145811. The next prime is 8145827. The reversal of 8145825 is 5285418.

8145825 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8145825 - 2⁸ = 8145569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8145827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23302 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (564572).

Almost surely, 2^8145825 is an apocalyptic number.

It is an amenable number.

8145825 is a deficient number, since it is larger than the sum of its proper divisors (5403903).

8145825 is a wasteful number, since it uses less digits than its factorization.

8145825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 8145825 is about 2854.0891716973. The cubic root of 8145825 is about 201.2078985525.

The spelling of 8145825 in words is "eight million, one hundred forty-five thousand, eight hundred twenty-five".