38195081 has 2 divisors, whose sum is σ = 38195082. Its totient is φ = 38195080.

The previous prime is 38195029. The next prime is 38195093. The reversal of 38195081 is 18059183.

38195081 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., 36481600 + 1713481 = 6040^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 38195081 - 2¹⁴ = 38178697 is a prime.

It is a super-2 number, since 2×38195081² = 2917728425193122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38195021) 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, 19097540 + 19097541.

It is an arithmetic number, because the mean of its divisors is an integer number (19097541).

Almost surely, 2^38195081 is an apocalyptic number.

It is an amenable number.

38195081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38195081 is an equidigital number, since it uses as much as digits as its factorization.

38195081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 38195081 is about 6180.2169055786. The cubic root of 38195081 is about 336.7718725981.

The spelling of 38195081 in words is "thirty-eight million, one hundred ninety-five thousand, eighty-one".