8540540233 has 2 divisors, whose sum is σ = 8540540234. Its totient is φ = 8540540232.

The previous prime is 8540540213. The next prime is 8540540237. The reversal of 8540540233 is 3320450458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6717933369 + 1822606864 = 81963^2 + 42692^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540540233 - 2⁵ = 8540540201 is a prime.

It is not a weakly prime, because it can be changed into another prime (8540540237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270270116 + 4270270117.

It is an arithmetic number, because the mean of its divisors is an integer number (4270270117).

Almost surely, 2^8540540233 is an apocalyptic number.

It is an amenable number.

8540540233 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540540233 is an equidigital number, since it uses as much as digits as its factorization.

8540540233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 8540540233 is about 92415.0433262897. The cubic root of 8540540233 is about 2044.0669406713.

The spelling of 8540540233 in words is "eight billion, five hundred forty million, five hundred forty thousand, two hundred thirty-three".