540471011 has 4 divisors (see below), whose sum is σ = 540550224. Its totient is φ = 540391800.

The previous prime is 540470993. The next prime is 540471013. The reversal of 540471011 is 110174045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 540471011 - 2⁶ = 540470947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540471013) 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, 28295 + ... + 43376.

It is an arithmetic number, because the mean of its divisors is an integer number (135137556).

Almost surely, 2^540471011 is an apocalyptic number.

540471011 is a deficient number, since it is larger than the sum of its proper divisors (79213).

540471011 is an equidigital number, since it uses as much as digits as its factorization.

540471011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79212.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 540471011 is about 23248.0324113676. The cubic root of 540471011 is about 814.5619792395.

The spelling of 540471011 in words is "five hundred forty million, four hundred seventy-one thousand, eleven".