8540533 has 2 divisors, whose sum is σ = 8540534. Its totient is φ = 8540532.

The previous prime is 8540527. The next prime is 8540537. The reversal of 8540533 is 3350458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 142129 = 2898^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540533 - 2⁵ = 8540501 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270266 + 4270267.

It is an arithmetic number, because the mean of its divisors is an integer number (4270267).

Almost surely, 2^8540533 is an apocalyptic number.

It is an amenable number.

8540533 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540533 is an equidigital number, since it uses as much as digits as its factorization.

8540533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 8540533 is about 2922.4190322402. The cubic root of 8540533 is about 204.4066363630.

The spelling of 8540533 in words is "eight million, five hundred forty thousand, five hundred thirty-three".