8125001 has 4 divisors (see below), whose sum is σ = 8148372. Its totient is φ = 8101632.

The previous prime is 8124983. The next prime is 8125009. The reversal of 8125001 is 1005218.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 4326400 = 1949^2 + 2080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8125001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8125009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11156 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (2037093).

Almost surely, 2^8125001 is an apocalyptic number.

It is an amenable number.

8125001 is a deficient number, since it is larger than the sum of its proper divisors (23371).

8125001 is a wasteful number, since it uses less digits than its factorization.

8125001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 8125001 is about 2850.4387381594. The cubic root of 8125001 is about 201.0362961771.

The spelling of 8125001 in words is "eight million, one hundred twenty-five thousand, one".