38138173 has 2 divisors, whose sum is σ = 38138174. Its totient is φ = 38138172.

The previous prime is 38138167. The next prime is 38138179. The reversal of 38138173 is 37183183.

It is a balanced prime because it is at equal distance from previous prime (38138167) and next prime (38138179).

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 842724 = 6107^2 + 918^2 .

It is an emirp because it is prime and its reverse (37183183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38138173 - 2⁵ = 38138141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38138179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19069086 + 19069087.

It is an arithmetic number, because the mean of its divisors is an integer number (19069087).

Almost surely, 2^38138173 is an apocalyptic number.

It is an amenable number.

38138173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38138173 is an equidigital number, since it uses as much as digits as its factorization.

38138173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 38138173 is about 6175.6111438464. The cubic root of 38138173 is about 336.6045339489.

The spelling of 38138173 in words is "thirty-eight million, one hundred thirty-eight thousand, one hundred seventy-three".