8151725 has 12 divisors (see below), whose sum is σ = 10344576. Its totient is φ = 6368880.

The previous prime is 8151719. The next prime is 8151733. The reversal of 8151725 is 5271518.

It is not a de Polignac number, because 8151725 - 2⁸ = 8151469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2717 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (862048).

Almost surely, 2^8151725 is an apocalyptic number.

It is an amenable number.

8151725 is a deficient number, since it is larger than the sum of its proper divisors (2192851).

8151725 is a wasteful number, since it uses less digits than its factorization.

8151725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636 (or 7631 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 8151725 is about 2855.1225893121. The cubic root of 8151725 is about 201.2564649493.

The spelling of 8151725 in words is "eight million, one hundred fifty-one thousand, seven hundred twenty-five".