38538263 has 2 divisors, whose sum is σ = 38538264. Its totient is φ = 38538262.

The previous prime is 38538259. The next prime is 38538281. The reversal of 38538263 is 36283583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38538263 - 2² = 38538259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38538293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19269131 + 19269132.

It is an arithmetic number, because the mean of its divisors is an integer number (19269132).

Almost surely, 2^38538263 is an apocalyptic number.

38538263 is a deficient number, since it is larger than the sum of its proper divisors (1).

38538263 is an equidigital number, since it uses as much as digits as its factorization.

38538263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 38538263 is about 6207.9193776981. The cubic root of 38538263 is about 337.7774961484. Note that the first 3 decimals are identical.

The spelling of 38538263 in words is "thirty-eight million, five hundred thirty-eight thousand, two hundred sixty-three".