38130193 has 2 divisors, whose sum is σ = 38130194. Its totient is φ = 38130192.

The previous prime is 38130179. The next prime is 38130203. The reversal of 38130193 is 39103183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35916049 + 2214144 = 5993^2 + 1488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38130193 is a prime.

It is not a weakly prime, because it can be changed into another prime (38130173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19065096 + 19065097.

It is an arithmetic number, because the mean of its divisors is an integer number (19065097).

Almost surely, 2^38130193 is an apocalyptic number.

It is an amenable number.

38130193 is a deficient number, since it is larger than the sum of its proper divisors (1).

38130193 is an equidigital number, since it uses as much as digits as its factorization.

38130193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 38130193 is about 6174.9650201438. The cubic root of 38130193 is about 336.5810553592.

The spelling of 38130193 in words is "thirty-eight million, one hundred thirty thousand, one hundred ninety-three".