38270513 has 2 divisors, whose sum is σ = 38270514. Its totient is φ = 38270512.

The previous prime is 38270447. The next prime is 38270537. The reversal of 38270513 is 31507283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30558784 + 7711729 = 5528^2 + 2777^2 .

It is an emirp because it is prime and its reverse (31507283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38270513 - 2⁸ = 38270257 is a prime.

It is not a weakly prime, because it can be changed into another prime (38170513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19135256 + 19135257.

It is an arithmetic number, because the mean of its divisors is an integer number (19135257).

Almost surely, 2^38270513 is an apocalyptic number.

It is an amenable number.

38270513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38270513 is an equidigital number, since it uses as much as digits as its factorization.

38270513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 38270513 is about 6186.3165939030. The cubic root of 38270513 is about 336.9934253077.

Adding to 38270513 its reverse (31507283), we get a palindrome (69777796).

It can be divided in two parts, 38270 and 513, that added together give a palindrome (38783).

The spelling of 38270513 in words is "thirty-eight million, two hundred seventy thousand, five hundred thirteen".