38131297 has 2 divisors, whose sum is σ = 38131298. Its totient is φ = 38131296.

The previous prime is 38131267. The next prime is 38131319. The reversal of 38131297 is 79213183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35988001 + 2143296 = 5999^2 + 1464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38131297 is a prime.

It is not a weakly prime, because it can be changed into another prime (38131267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19065648 + 19065649.

It is an arithmetic number, because the mean of its divisors is an integer number (19065649).

Almost surely, 2^38131297 is an apocalyptic number.

It is an amenable number.

38131297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38131297 is an equidigital number, since it uses as much as digits as its factorization.

38131297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 38131297 is about 6175.0544127157. The cubic root of 38131297 is about 336.5843037202.

The spelling of 38131297 in words is "thirty-eight million, one hundred thirty-one thousand, two hundred ninety-seven".