38201081 has 2 divisors, whose sum is σ = 38201082. Its totient is φ = 38201080.

The previous prime is 38201029. The next prime is 38201089. The reversal of 38201081 is 18010283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19882681 + 18318400 = 4459^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 38201081 - 2⁶ = 38201017 is a prime.

It is a super-2 number, since 2×38201081² = 2918645179137122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38201089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19100540 + 19100541.

It is an arithmetic number, because the mean of its divisors is an integer number (19100541).

Almost surely, 2^38201081 is an apocalyptic number.

It is an amenable number.

38201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38201081 is an equidigital number, since it uses as much as digits as its factorization.

38201081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 38201081 is about 6180.7023063726. The cubic root of 38201081 is about 336.7895059808.

The spelling of 38201081 in words is "thirty-eight million, two hundred one thousand, eighty-one".