540341531 has 2 divisors, whose sum is σ = 540341532. Its totient is φ = 540341530.

The previous prime is 540341491. The next prime is 540341561. The reversal of 540341531 is 135143045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540341531 - 2⁶ = 540341467 is a prime.

It is a super-2 number, since 2×540341531² = 583937940246847922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540341531.

It is not a weakly prime, because it can be changed into another prime (540341561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270170765 + 270170766.

It is an arithmetic number, because the mean of its divisors is an integer number (270170766).

Almost surely, 2^540341531 is an apocalyptic number.

540341531 is a deficient number, since it is larger than the sum of its proper divisors (1).

540341531 is an equidigital number, since it uses as much as digits as its factorization.

540341531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 540341531 is about 23245.2474927672. The cubic root of 540341531 is about 814.4969261614.

Adding to 540341531 its reverse (135143045), we get a palindrome (675484576).

The spelling of 540341531 in words is "five hundred forty million, three hundred forty-one thousand, five hundred thirty-one".