538247 has 2 divisors, whose sum is σ = 538248. Its totient is φ = 538246.

The previous prime is 538201. The next prime is 538249. The reversal of 538247 is 742835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538247 - 2⁸ = 537991 is a prime.

Together with 538249, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5⁵ + 3¹² + 2⁹ + 8³ + 4⁴ + 7⁴ .

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538247.

It is not a weakly prime, because it can be changed into another prime (538249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269123 + 269124.

It is an arithmetic number, because the mean of its divisors is an integer number (269124).

2⁵³⁸²⁴⁷ is an apocalyptic number.

538247 is a deficient number, since it is larger than the sum of its proper divisors (1).

538247 is an equidigital number, since it uses as much as digits as its factorization.

538247 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 538247 is about 733.6531878211. The cubic root of 538247 is about 81.3443149345.

The spelling of 538247 in words is "five hundred thirty-eight thousand, two hundred forty-seven".