8581025 has 24 divisors (see below), whose sum is σ = 11130240. Its totient is φ = 6557760.

The previous prime is 8581021. The next prime is 8581043. The reversal of 8581025 is 5201858.

8581025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8581025 - 2² = 8581021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8581021) 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, 78671 + ... + 78779.

It is an arithmetic number, because the mean of its divisors is an integer number (463760).

Almost surely, 2^8581025 is an apocalyptic number.

It is an amenable number.

8581025 is a deficient number, since it is larger than the sum of its proper divisors (2549215).

8581025 is a wasteful number, since it uses less digits than its factorization.

8581025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 8581025 is about 2929.3386625653. The cubic root of 8581025 is about 204.7291684297.

The spelling of 8581025 in words is "eight million, five hundred eighty-one thousand, twenty-five".