38125819 has 4 divisors (see below), whose sum is σ = 38184160. Its totient is φ = 38067480.

The previous prime is 38125817. The next prime is 38125823. The reversal of 38125819 is 91852183.

38125819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91852183 = 89 ⋅1032047.

It is a cyclic number.

It is not a de Polignac number, because 38125819 - 2¹ = 38125817 is a prime.

It is a super-2 number, since 2×38125819² = 2907156148841522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38125811) 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 in 3 ways as a sum of consecutive naturals, for example, 28179 + ... + 29500.

It is an arithmetic number, because the mean of its divisors is an integer number (9546040).

Almost surely, 2^38125819 is an apocalyptic number.

38125819 is a deficient number, since it is larger than the sum of its proper divisors (58341).

38125819 is an equidigital number, since it uses as much as digits as its factorization.

38125819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58340.

The product of its digits is 17280, while the sum is 37.

The square root of 38125819 is about 6174.6108379395. The cubic root of 38125819 is about 336.5681848777.

The spelling of 38125819 in words is "thirty-eight million, one hundred twenty-five thousand, eight hundred nineteen".