8247925 has 18 divisors (see below), whose sum is σ = 11898978. Its totient is φ = 5654880.

The previous prime is 8247923. The next prime is 8247947. The reversal of 8247925 is 5297428.

It can be written as a sum of positive squares in 3 ways, for example, as 2683044 + 5564881 = 1638^2 + 2359^2 .

It is not a de Polignac number, because 8247925 - 2¹ = 8247923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8247923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2142 + ... + 4591.

Almost surely, 2^8247925 is an apocalyptic number.

It is an amenable number.

8247925 is a deficient number, since it is larger than the sum of its proper divisors (3651053).

8247925 is a wasteful number, since it uses less digits than its factorization.

8247925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6745 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 8247925 is about 2871.9200894175. The cubic root of 8247925 is about 202.0450590590.

The spelling of 8247925 in words is "eight million, two hundred forty-seven thousand, nine hundred twenty-five".