540522111 has 8 divisors (see below), whose sum is σ = 720964480. Its totient is φ = 360213912.

The previous prime is 540522091. The next prime is 540522131. The reversal of 540522111 is 111225045.

It is an interprime number because it is at equal distance from previous prime (540522091) and next prime (540522131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-540522111 is a prime.

It is a super-3 number, since 3×540522111³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540522131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23731 + ... + 40548.

It is an arithmetic number, because the mean of its divisors is an integer number (90120560).

Almost surely, 2^540522111 is an apocalyptic number.

540522111 is a deficient number, since it is larger than the sum of its proper divisors (180442369).

540522111 is a wasteful number, since it uses less digits than its factorization.

540522111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67085.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 540522111 is about 23249.1314031299. The cubic root of 540522111 is about 814.5876499381.

Adding to 540522111 its reverse (111225045), we get a palindrome (651747156).

The spelling of 540522111 in words is "five hundred forty million, five hundred twenty-two thousand, one hundred eleven".