52215223 has 2 divisors, whose sum is σ = 52215224. Its totient is φ = 52215222.

The previous prime is 52215199. The next prime is 52215239. The reversal of 52215223 is 32251225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52215223 - 2⁹ = 52214711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52215194 and 52215203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52218223) 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, 26107611 + 26107612.

It is an arithmetic number, because the mean of its divisors is an integer number (26107612).

Almost surely, 2^52215223 is an apocalyptic number.

52215223 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215223 is an equidigital number, since it uses as much as digits as its factorization.

52215223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 22.

The square root of 52215223 is about 7226.0101715954. The cubic root of 52215223 is about 373.7653570272.

Adding to 52215223 its reverse (32251225), we get a palindrome (84466448).

The spelling of 52215223 in words is "fifty-two million, two hundred fifteen thousand, two hundred twenty-three".