8125564 has 6 divisors (see below), whose sum is σ = 14219744. Its totient is φ = 4062780.

The previous prime is 8125561. The next prime is 8125571. The reversal of 8125564 is 4655218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125561) 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 as a sum of consecutive naturals, namely, 1015692 + ... + 1015699.

Almost surely, 2^8125564 is an apocalyptic number.

It is an amenable number.

8125564 is a deficient number, since it is larger than the sum of its proper divisors (6094180).

8125564 is a wasteful number, since it uses less digits than its factorization.

8125564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031395 (or 2031393 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 8125564 is about 2850.5374931756. The cubic root of 8125564 is about 201.0409394922.

The spelling of 8125564 in words is "eight million, one hundred twenty-five thousand, five hundred sixty-four".