540501131 has 2 divisors, whose sum is σ = 540501132. Its totient is φ = 540501130.

The previous prime is 540501079. The next prime is 540501161. The reversal of 540501131 is 131105045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540501131 - 2⁶ = 540501067 is a prime.

It is a super-2 number, since 2×540501131² = 584282945224558322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540501161) 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, 270250565 + 270250566.

It is an arithmetic number, because the mean of its divisors is an integer number (270250566).

Almost surely, 2^540501131 is an apocalyptic number.

540501131 is a deficient number, since it is larger than the sum of its proper divisors (1).

540501131 is an equidigital number, since it uses as much as digits as its factorization.

540501131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 540501131 is about 23248.6801990995. The cubic root of 540501131 is about 814.5771105790.

Adding to 540501131 its reverse (131105045), we get a palindrome (671606176).

The spelling of 540501131 in words is "five hundred forty million, five hundred one thousand, one hundred thirty-one".