38163173 has 2 divisors, whose sum is σ = 38163174. Its totient is φ = 38163172.

The previous prime is 38163143. The next prime is 38163197. The reversal of 38163173 is 37136183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30991489 + 7171684 = 5567^2 + 2678^2 .

It is a cyclic number.

It is not a de Polignac number, because 38163173 - 2¹⁴ = 38146789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38163143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19081586 + 19081587.

It is an arithmetic number, because the mean of its divisors is an integer number (19081587).

Almost surely, 2^38163173 is an apocalyptic number.

It is an amenable number.

38163173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38163173 is an equidigital number, since it uses as much as digits as its factorization.

38163173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 38163173 is about 6177.6349034238. The cubic root of 38163173 is about 336.6780672326.

The spelling of 38163173 in words is "thirty-eight million, one hundred sixty-three thousand, one hundred seventy-three".