540553427 has 2 divisors, whose sum is σ = 540553428. Its totient is φ = 540553426.

The previous prime is 540553421. The next prime is 540553441. The reversal of 540553427 is 724355045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540553427 - 2⁴ = 540553411 is a prime.

It is equal to p_28375910 and since 540553427 and 28375910 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (540553421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270276713 + 270276714.

It is an arithmetic number, because the mean of its divisors is an integer number (270276714).

Almost surely, 2^540553427 is an apocalyptic number.

540553427 is a deficient number, since it is larger than the sum of its proper divisors (1).

540553427 is an equidigital number, since it uses as much as digits as its factorization.

540553427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 540553427 is about 23249.8048809017. The cubic root of 540553427 is about 814.6033811072.

The spelling of 540553427 in words is "five hundred forty million, five hundred fifty-three thousand, four hundred twenty-seven".