8158025 has 24 divisors (see below), whose sum is σ = 10606464. Its totient is φ = 6219200.

The previous prime is 8158021. The next prime is 8158027. The reversal of 8158025 is 5208518.

It is not a de Polignac number, because 8158025 - 2² = 8158021 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8158021) 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, 62210 + ... + 62340.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^8158025 is an apocalyptic number.

It is an amenable number.

8158025 is a deficient number, since it is larger than the sum of its proper divisors (2448439).

8158025 is a wasteful number, since it uses less digits than its factorization.

8158025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 236 counting only the distinct ones).

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

The square root of 8158025 is about 2856.2256563514. The cubic root of 8158025 is about 201.3082981190.

The spelling of 8158025 in words is "eight million, one hundred fifty-eight thousand, twenty-five".