8520501 has 8 divisors (see below), whose sum is σ = 12393504. Its totient is φ = 5163920.

The previous prime is 8520481. The next prime is 8520503. The reversal of 8520501 is 1050258.

8520501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8520501 - 2⁶ = 8520437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129066 + ... + 129131.

It is an arithmetic number, because the mean of its divisors is an integer number (1549188).

Almost surely, 2^8520501 is an apocalyptic number.

It is an amenable number.

8520501 is a deficient number, since it is larger than the sum of its proper divisors (3873003).

8520501 is a wasteful number, since it uses less digits than its factorization.

8520501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258211.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 8520501 is about 2918.9897224896. The cubic root of 8520501 is about 204.2466978947.

Adding to 8520501 its reverse (1050258), we get a palindrome (9570759).

The spelling of 8520501 in words is "eight million, five hundred twenty thousand, five hundred one".