38249131 has 2 divisors, whose sum is σ = 38249132. Its totient is φ = 38249130.

The previous prime is 38249119. The next prime is 38249177. The reversal of 38249131 is 13194283.

38249131 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 is an emirp because it is prime and its reverse (13194283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38249131 - 2²⁵ = 4694699 is a prime.

It is a super-2 number, since 2×38249131² = 2925992044510322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38249093 and 38249102.

It is not a weakly prime, because it can be changed into another prime (38249531) 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, 19124565 + 19124566.

It is an arithmetic number, because the mean of its divisors is an integer number (19124566).

Almost surely, 2^38249131 is an apocalyptic number.

38249131 is a deficient number, since it is larger than the sum of its proper divisors (1).

38249131 is an equidigital number, since it uses as much as digits as its factorization.

38249131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 38249131 is about 6184.5881835414. The cubic root of 38249131 is about 336.9306534309.

The spelling of 38249131 in words is "thirty-eight million, two hundred forty-nine thousand, one hundred thirty-one".