8501001 has 4 divisors (see below), whose sum is σ = 11334672. Its totient is φ = 5667332.

The previous prime is 8500967. The next prime is 8501011. The reversal of 8501001 is 1001058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8501001 - 2⁷ = 8500873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8501011) 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, 1416831 + ... + 1416836.

It is an arithmetic number, because the mean of its divisors is an integer number (2833668).

Almost surely, 2^8501001 is an apocalyptic number.

It is an amenable number.

8501001 is a deficient number, since it is larger than the sum of its proper divisors (2833671).

8501001 is a wasteful number, since it uses less digits than its factorization.

8501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833670.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 8501001 is about 2915.6476124525. The cubic root of 8501001 is about 204.0907660300.

Adding to 8501001 its reverse (1001058), we get a palindrome (9502059).

The spelling of 8501001 in words is "eight million, five hundred one thousand, one".