538506223 has 2 divisors, whose sum is σ = 538506224. Its totient is φ = 538506222.

The previous prime is 538506211. The next prime is 538506247. The reversal of 538506223 is 322605835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538506223 - 2⁹ = 538505711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538506203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269253111 + 269253112.

It is an arithmetic number, because the mean of its divisors is an integer number (269253112).

Almost surely, 2^538506223 is an apocalyptic number.

538506223 is a deficient number, since it is larger than the sum of its proper divisors (1).

538506223 is an equidigital number, since it uses as much as digits as its factorization.

538506223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 538506223 is about 23205.7368553554. The cubic root of 538506223 is about 813.5737147620.

The spelling of 538506223 in words is "five hundred thirty-eight million, five hundred six thousand, two hundred twenty-three".