540411331 has 2 divisors, whose sum is σ = 540411332. Its totient is φ = 540411330.

The previous prime is 540411329. The next prime is 540411337. The reversal of 540411331 is 133114045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540411331 - 2¹ = 540411329 is a prime.

It is a super-2 number, since 2×540411331² = 584088813346383122, which contains 22 as substring.

Together with 540411329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (540411337) 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, 270205665 + 270205666.

It is an arithmetic number, because the mean of its divisors is an integer number (270205666).

Almost surely, 2^540411331 is an apocalyptic number.

540411331 is a deficient number, since it is larger than the sum of its proper divisors (1).

540411331 is an equidigital number, since it uses as much as digits as its factorization.

540411331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 540411331 is about 23246.7488264488. The cubic root of 540411331 is about 814.5319962263.

Adding to 540411331 its reverse (133114045), we get a palindrome (673525376).

The spelling of 540411331 in words is "five hundred forty million, four hundred eleven thousand, three hundred thirty-one".