38116613 has 2 divisors, whose sum is σ = 38116614. Its totient is φ = 38116612.

The previous prime is 38116607. The next prime is 38116649. The reversal of 38116613 is 31661183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 13890529 = 4922^2 + 3727^2 .

It is a cyclic number.

It is not a de Polignac number, because 38116613 - 2⁸ = 38116357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38116513) 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, 19058306 + 19058307.

It is an arithmetic number, because the mean of its divisors is an integer number (19058307).

Almost surely, 2^38116613 is an apocalyptic number.

It is an amenable number.

38116613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38116613 is an equidigital number, since it uses as much as digits as its factorization.

38116613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 38116613 is about 6173.8653208505. The cubic root of 38116613 is about 336.5410930345.

Adding to 38116613 its reverse (31661183), we get a palindrome (69777796).

The spelling of 38116613 in words is "thirty-eight million, one hundred sixteen thousand, six hundred thirteen".