38297137 has 2 divisors, whose sum is σ = 38297138. Its totient is φ = 38297136.

The previous prime is 38297101. The next prime is 38297143. The reversal of 38297137 is 73179283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24167056 + 14130081 = 4916^2 + 3759^2 .

It is a cyclic number.

It is not a de Polignac number, because 38297137 - 2⁷ = 38297009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38297137.

It is not a weakly prime, because it can be changed into another prime (38297437) 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, 19148568 + 19148569.

It is an arithmetic number, because the mean of its divisors is an integer number (19148569).

Almost surely, 2^38297137 is an apocalyptic number.

It is an amenable number.

38297137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38297137 is an equidigital number, since it uses as much as digits as its factorization.

38297137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 38297137 is about 6188.4680656848. The cubic root of 38297137 is about 337.0715536323.

The spelling of 38297137 in words is "thirty-eight million, two hundred ninety-seven thousand, one hundred thirty-seven".