540548791 has 2 divisors, whose sum is σ = 540548792. Its totient is φ = 540548790.

The previous prime is 540548761. The next prime is 540548819. The reversal of 540548791 is 197845045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540548791 - 2¹⁷ = 540417719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540548761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270274395 + 270274396.

It is an arithmetic number, because the mean of its divisors is an integer number (270274396).

Almost surely, 2^540548791 is an apocalyptic number.

540548791 is a deficient number, since it is larger than the sum of its proper divisors (1).

540548791 is an equidigital number, since it uses as much as digits as its factorization.

540548791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 540548791 is about 23249.7051809265. The cubic root of 540548791 is about 814.6010523137.

The spelling of 540548791 in words is "five hundred forty million, five hundred forty-eight thousand, seven hundred ninety-one".