52406111 has 2 divisors, whose sum is σ = 52406112. Its totient is φ = 52406110.

The previous prime is 52406099. The next prime is 52406143. The reversal of 52406111 is 11160425.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52406111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52406191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26203055 + 26203056.

It is an arithmetic number, because the mean of its divisors is an integer number (26203056).

Almost surely, 2^52406111 is an apocalyptic number.

52406111 is a deficient number, since it is larger than the sum of its proper divisors (1).

52406111 is an equidigital number, since it uses as much as digits as its factorization.

52406111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 52406111 is about 7239.2065172918. The cubic root of 52406111 is about 374.2202725982.

Adding to 52406111 its reverse (11160425), we get a palindrome (63566536).

The spelling of 52406111 in words is "fifty-two million, four hundred six thousand, one hundred eleven".