8125651 has 4 divisors (see below), whose sum is σ = 8138232. Its totient is φ = 8113072.

The previous prime is 8125639. The next prime is 8125669. The reversal of 8125651 is 1565218.

8125651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8125651 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8125631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5266 + ... + 6631.

It is an arithmetic number, because the mean of its divisors is an integer number (2034558).

Almost surely, 2^8125651 is an apocalyptic number.

8125651 is a deficient number, since it is larger than the sum of its proper divisors (12581).

8125651 is a wasteful number, since it uses less digits than its factorization.

8125651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580.

The product of its digits is 2400, while the sum is 28.

The square root of 8125651 is about 2850.5527534147. The cubic root of 8125651 is about 201.0416570014.

The spelling of 8125651 in words is "eight million, one hundred twenty-five thousand, six hundred fifty-one".