540425511 has 24 divisors (see below), whose sum is σ = 809038464. Its totient is φ = 347258880.

The previous prime is 540425429. The next prime is 540425521. The reversal of 540425511 is 115524045.

540425511 is a `hidden beast` number, since 5 + 404 + 255 + 1 + 1 = 666.

It is not a de Polignac number, because 540425511 - 2¹⁰ = 540424487 is a prime.

It is a super-2 number, since 2×540425511² = 584119465879222242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540425521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67935 + ... + 75471.

It is an arithmetic number, because the mean of its divisors is an integer number (33709936).

Almost surely, 2^540425511 is an apocalyptic number.

540425511 is a deficient number, since it is larger than the sum of its proper divisors (268612953).

540425511 is a wasteful number, since it uses less digits than its factorization.

540425511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 540425511 is about 23247.0538133330. The cubic root of 540425511 is about 814.5391204062.

Adding to 540425511 its reverse (115524045), we get a palindrome (655949556).

The spelling of 540425511 in words is "five hundred forty million, four hundred twenty-five thousand, five hundred eleven".