38523217 has 2 divisors, whose sum is σ = 38523218. Its totient is φ = 38523216.

The previous prime is 38523197. The next prime is 38523239. The reversal of 38523217 is 71232583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29257281 + 9265936 = 5409^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 38523217 - 2¹¹ = 38521169 is a prime.

It is not a weakly prime, because it can be changed into another prime (38523517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19261608 + 19261609.

It is an arithmetic number, because the mean of its divisors is an integer number (19261609).

Almost surely, 2^38523217 is an apocalyptic number.

It is an amenable number.

38523217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38523217 is an equidigital number, since it uses as much as digits as its factorization.

38523217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 38523217 is about 6206.7074202028. The cubic root of 38523217 is about 337.7335323806.

The spelling of 38523217 in words is "thirty-eight million, five hundred twenty-three thousand, two hundred seventeen".