8540501 has 2 divisors, whose sum is σ = 8540502. Its totient is φ = 8540500.

The previous prime is 8540479. The next prime is 8540503. The reversal of 8540501 is 1050458.

8540501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8236900 + 303601 = 2870^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540501 - 2²² = 4346197 is a prime.

It is a Sophie Germain prime.

Together with 8540503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270250 + 4270251.

It is an arithmetic number, because the mean of its divisors is an integer number (4270251).

Almost surely, 2^8540501 is an apocalyptic number.

It is an amenable number.

8540501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540501 is an equidigital number, since it uses as much as digits as its factorization.

8540501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8540501 is about 2922.4135573187. The cubic root of 8540501 is about 204.4063810698.

Adding to 8540501 its reverse (1050458), we get a palindrome (9590959).

The spelling of 8540501 in words is "eight million, five hundred forty thousand, five hundred one".