540476269 has 2 divisors, whose sum is σ = 540476270. Its totient is φ = 540476268.

The previous prime is 540476267. The next prime is 540476311. The reversal of 540476269 is 962674045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527299369 + 13176900 = 22963^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 540476269 - 2¹ = 540476267 is a prime.

It is a super-2 number, since 2×540476269² = 584229194704320722, which contains 22 as substring.

Together with 540476267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540476267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270238134 + 270238135.

It is an arithmetic number, because the mean of its divisors is an integer number (270238135).

Almost surely, 2^540476269 is an apocalyptic number.

It is an amenable number.

540476269 is a deficient number, since it is larger than the sum of its proper divisors (1).

540476269 is an equidigital number, since it uses as much as digits as its factorization.

540476269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 540476269 is about 23248.1454959315. The cubic root of 540476269 is about 814.5646207336.

The spelling of 540476269 in words is "five hundred forty million, four hundred seventy-six thousand, two hundred sixty-nine".