8247725 has 12 divisors (see below), whose sum is σ = 10329696. Its totient is φ = 6532080.

The previous prime is 8247713. The next prime is 8247739. The reversal of 8247725 is 5277428.

It is not a de Polignac number, because 8247725 - 2⁶ = 8247661 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 11 ways as a sum of consecutive naturals, for example, 974 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (860808).

Almost surely, 2^8247725 is an apocalyptic number.

It is an amenable number.

8247725 is a deficient number, since it is larger than the sum of its proper divisors (2081971).

8247725 is a wasteful number, since it uses less digits than its factorization.

8247725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316 (or 3311 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 8247725 is about 2871.8852692961. The cubic root of 8247725 is about 202.0434259477.

The spelling of 8247725 in words is "eight million, two hundred forty-seven thousand, seven hundred twenty-five".