38063521 has 2 divisors, whose sum is σ = 38063522. Its totient is φ = 38063520.

The previous prime is 38063507. The next prime is 38063533. The reversal of 38063521 is 12536083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29855296 + 8208225 = 5464^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 38063521 - 2¹⁷ = 37932449 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 38063521.

It is not a weakly prime, because it can be changed into another prime (38063581) 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, 19031760 + 19031761.

It is an arithmetic number, because the mean of its divisors is an integer number (19031761).

Almost surely, 2^38063521 is an apocalyptic number.

It is an amenable number.

38063521 is a deficient number, since it is larger than the sum of its proper divisors (1).

38063521 is an equidigital number, since it uses as much as digits as its factorization.

38063521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 38063521 is about 6169.5640850874. The cubic root of 38063521 is about 336.3847662557.

The spelling of 38063521 in words is "thirty-eight million, sixty-three thousand, five hundred twenty-one".