5278223 has 2 divisors, whose sum is σ = 5278224. Its totient is φ = 5278222.

The previous prime is 5278171. The next prime is 5278237. The reversal of 5278223 is 3228725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5278223 - 2¹² = 5274127 is a prime.

It is a d-powerful number, because it can be written as 5³ + 2⁸ + 7 + 8⁵ + 2²⁰ + 2²² + 3⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5278253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639111 + 2639112.

It is an arithmetic number, because the mean of its divisors is an integer number (2639112).

Almost surely, 2^5278223 is an apocalyptic number.

5278223 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278223 is an equidigital number, since it uses as much as digits as its factorization.

5278223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 5278223 is about 2297.4383560827. The cubic root of 5278223 is about 174.1122167751.

The spelling of 5278223 in words is "five million, two hundred seventy-eight thousand, two hundred twenty-three".