8249425 has 6 divisors (see below), whose sum is σ = 10229318. Its totient is φ = 6599520.

The previous prime is 8249411. The next prime is 8249429. The reversal of 8249425 is 5249428.

It can be written as a sum of positive squares in 3 ways, for example, as 1577536 + 6671889 = 1256^2 + 2583^2 .

It is not a de Polignac number, because 8249425 - 2¹¹ = 8247377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8249429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164964 + ... + 165013.

Almost surely, 2^8249425 is an apocalyptic number.

It is an amenable number.

8249425 is a deficient number, since it is larger than the sum of its proper divisors (1979893).

8249425 is a wasteful number, since it uses less digits than its factorization.

8249425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329987 (or 329982 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 8249425 is about 2872.1812268727. The cubic root of 8249425 is about 202.0573065523.

The spelling of 8249425 in words is "eight million, two hundred forty-nine thousand, four hundred twenty-five".