38126009 has 2 divisors, whose sum is σ = 38126010. Its totient is φ = 38126008.

The previous prime is 38125999. The next prime is 38126029. The reversal of 38126009 is 90062183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 426409 = 6140^2 + 653^2 .

It is an emirp because it is prime and its reverse (90062183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38126009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38126029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19063004 + 19063005.

It is an arithmetic number, because the mean of its divisors is an integer number (19063005).

Almost surely, 2^38126009 is an apocalyptic number.

It is an amenable number.

38126009 is a deficient number, since it is larger than the sum of its proper divisors (1).

38126009 is an equidigital number, since it uses as much as digits as its factorization.

38126009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 38126009 is about 6174.6262235054. The cubic root of 38126009 is about 336.5687439725.

The spelling of 38126009 in words is "thirty-eight million, one hundred twenty-six thousand, nine".