38457533 has 2 divisors, whose sum is σ = 38457534. Its totient is φ = 38457532.

The previous prime is 38457499. The next prime is 38457569. The reversal of 38457533 is 33575483.

38457533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 1162084 = 6107^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 38457533 - 2¹⁸ = 38195389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38457593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228766 + 19228767.

It is an arithmetic number, because the mean of its divisors is an integer number (19228767).

Almost surely, 2^38457533 is an apocalyptic number.

It is an amenable number.

38457533 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457533 is an equidigital number, since it uses as much as digits as its factorization.

38457533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 38457533 is about 6201.4137904191. The cubic root of 38457533 is about 337.5414723613.

The spelling of 38457533 in words is "thirty-eight million, four hundred fifty-seven thousand, five hundred thirty-three".