540525011 has 4 divisors (see below), whose sum is σ = 582103872. Its totient is φ = 498946152.

The previous prime is 540524987. The next prime is 540525049. The reversal of 540525011 is 110525045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540525011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540525061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20789411 + ... + 20789436.

It is an arithmetic number, because the mean of its divisors is an integer number (145525968).

Almost surely, 2^540525011 is an apocalyptic number.

540525011 is a deficient number, since it is larger than the sum of its proper divisors (41578861).

540525011 is a wasteful number, since it uses less digits than its factorization.

540525011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41578860.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 540525011 is about 23249.1937709676. The cubic root of 540525011 is about 814.5891067394.

The spelling of 540525011 in words is "five hundred forty million, five hundred twenty-five thousand, eleven".