8149925 has 18 divisors (see below), whose sum is σ = 11757618. Its totient is φ = 5587680.

The previous prime is 8149913. The next prime is 8149927. The reversal of 8149925 is 5299418.

It can be written as a sum of positive squares in 3 ways, for example, as 33124 + 8116801 = 182^2 + 2849^2 .

It is not a de Polignac number, because 8149925 - 2⁶ = 8149861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149927) 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, 2102 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (653201).

Almost surely, 2^8149925 is an apocalyptic number.

It is an amenable number.

8149925 is a deficient number, since it is larger than the sum of its proper divisors (3607693).

8149925 is a wasteful number, since it uses less digits than its factorization.

8149925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6665 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 8149925 is about 2854.8073490167. The cubic root of 8149925 is about 201.2416505673.

The spelling of 8149925 in words is "eight million, one hundred forty-nine thousand, nine hundred twenty-five".