4540111 has 2 divisors, whose sum is σ = 4540112. Its totient is φ = 4540110.

The previous prime is 4540103. The next prime is 4540127. The reversal of 4540111 is 1110454.

It is an a-pointer prime, because the next prime (4540127) can be obtained adding 4540111 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4540111 - 2³ = 4540103 is a prime.

It is a super-2 number, since 2×4540111² = 41225215784642, which contains 22 as substring.

It is an Ulam number.

4540111 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270055 + 2270056.

It is an arithmetic number, because the mean of its divisors is an integer number (2270056).

Almost surely, 2^4540111 is an apocalyptic number.

4540111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540111 is an equidigital number, since it uses as much as digits as its factorization.

4540111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 4540111 is about 2130.7536225477. The cubic root of 4540111 is about 165.5854440246.

Adding to 4540111 its reverse (1110454), we get a palindrome (5650565).

The spelling of 4540111 in words is "four million, five hundred forty thousand, one hundred eleven".