506540011 has 2 divisors, whose sum is σ = 506540012. Its totient is φ = 506540010.

The previous prime is 506539991. The next prime is 506540053. The reversal of 506540011 is 110045605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506540011 - 2⁹ = 506539499 is a prime.

It is not a weakly prime, because it can be changed into another prime (506540711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253270005 + 253270006.

It is an arithmetic number, because the mean of its divisors is an integer number (253270006).

Almost surely, 2^506540011 is an apocalyptic number.

506540011 is a deficient number, since it is larger than the sum of its proper divisors (1).

506540011 is an equidigital number, since it uses as much as digits as its factorization.

506540011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 506540011 is about 22506.4437661751. The cubic root of 506540011 is about 797.1460868101.

Adding to 506540011 its reverse (110045605), we get a palindrome (616585616).

The spelling of 506540011 in words is "five hundred six million, five hundred forty thousand, eleven".