38548121 has 2 divisors, whose sum is σ = 38548122. Its totient is φ = 38548120.

The previous prime is 38548099. The next prime is 38548123. The reversal of 38548121 is 12184583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 7590025 = 5564^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 38548121 - 2⁶ = 38548057 is a prime.

Together with 38548123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38548123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19274060 + 19274061.

It is an arithmetic number, because the mean of its divisors is an integer number (19274061).

Almost surely, 2^38548121 is an apocalyptic number.

It is an amenable number.

38548121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38548121 is an equidigital number, since it uses as much as digits as its factorization.

38548121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 32.

The square root of 38548121 is about 6208.7133127565. The cubic root of 38548121 is about 337.8062945981.

The spelling of 38548121 in words is "thirty-eight million, five hundred forty-eight thousand, one hundred twenty-one".