52390111 has 2 divisors, whose sum is σ = 52390112. Its totient is φ = 52390110.

The previous prime is 52390103. The next prime is 52390123. The reversal of 52390111 is 11109325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52390111 - 2³ = 52390103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52390411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26195055 + 26195056.

It is an arithmetic number, because the mean of its divisors is an integer number (26195056).

Almost surely, 2^52390111 is an apocalyptic number.

52390111 is a deficient number, since it is larger than the sum of its proper divisors (1).

52390111 is an equidigital number, since it uses as much as digits as its factorization.

52390111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 52390111 is about 7238.1013394398. The cubic root of 52390111 is about 374.1821845859.

Adding to 52390111 its reverse (11109325), we get a palindrome (63499436).

It can be divided in two parts, 5 and 2390111, that added together give a square (2390116 = 1546²).

The spelling of 52390111 in words is "fifty-two million, three hundred ninety thousand, one hundred eleven".