38523937 has 2 divisors, whose sum is σ = 38523938. Its totient is φ = 38523936.

The previous prime is 38523913. The next prime is 38523971. The reversal of 38523937 is 73932583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35153041 + 3370896 = 5929^2 + 1836^2 .

It is an emirp because it is prime and its reverse (73932583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38523937 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38523937.

It is not a weakly prime, because it can be changed into another prime (38523997) 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, 19261968 + 19261969.

It is an arithmetic number, because the mean of its divisors is an integer number (19261969).

Almost surely, 2^38523937 is an apocalyptic number.

It is an amenable number.

38523937 is a deficient number, since it is larger than the sum of its proper divisors (1).

38523937 is an equidigital number, since it uses as much as digits as its factorization.

38523937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 38523937 is about 6206.7654216991. The cubic root of 38523937 is about 337.7356364505.

The spelling of 38523937 in words is "thirty-eight million, five hundred twenty-three thousand, nine hundred thirty-seven".