38711513 has 2 divisors, whose sum is σ = 38711514. Its totient is φ = 38711512.

The previous prime is 38711473. The next prime is 38711539. The reversal of 38711513 is 31511783.

38711513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 19245769 = 4412^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 38711513 - 2¹⁶ = 38645977 is a prime.

It is not a weakly prime, because it can be changed into another prime (38711593) 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, 19355756 + 19355757.

It is an arithmetic number, because the mean of its divisors is an integer number (19355757).

Almost surely, 2^38711513 is an apocalyptic number.

It is an amenable number.

38711513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38711513 is an equidigital number, since it uses as much as digits as its factorization.

38711513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 38711513 is about 6221.8576807896. The cubic root of 38711513 is about 338.2829027430.

The spelling of 38711513 in words is "thirty-eight million, seven hundred eleven thousand, five hundred thirteen".