5201111 has 2 divisors, whose sum is σ = 5201112.
Its totient is φ = 5201110.
The previous prime is 5201107. The next prime is 5201113. The reversal of 5201111 is 1111025.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 5201111 - 22 = 5201107 is a prime.
Together with 5201113, it forms a pair of twin primes.
It is a Chen prime.
5201111 is a modest number, since divided by 1111 gives 520 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 5201092 and 5201101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5201113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600555 + 2600556.
It is an arithmetic number, because the mean of its divisors is an integer number (2600556).
Almost surely, 25201111 is an apocalyptic number.
5201111 is a deficient number, since it is larger than the sum of its proper divisors (1).
5201111 is an equidigital number, since it uses as much as digits as its factorization.
5201111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10, while the sum is 11.
The square root of 5201111 is about 2280.5944400529.
The cubic root of 5201111 is about 173.2601585440.
Adding to 5201111 its reverse (1111025), we get a palindrome (6312136).
The spelling of 5201111 in words is "five million, two hundred one thousand, one hundred eleven".