38281129 has 2 divisors, whose sum is σ = 38281130. Its totient is φ = 38281128.

The previous prime is 38281081. The next prime is 38281151. The reversal of 38281129 is 92118283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 14807104 = 4845^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 38281129 - 2¹¹ = 38279081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38281094 and 38281103.

It is not a weakly prime, because it can be changed into another prime (38281169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19140564 + 19140565.

It is an arithmetic number, because the mean of its divisors is an integer number (19140565).

Almost surely, 2^38281129 is an apocalyptic number.

It is an amenable number.

38281129 is a deficient number, since it is larger than the sum of its proper divisors (1).

38281129 is an equidigital number, since it uses as much as digits as its factorization.

38281129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 38281129 is about 6187.1745570979. The cubic root of 38281129 is about 337.0245823803.

The spelling of 38281129 in words is "thirty-eight million, two hundred eighty-one thousand, one hundred twenty-nine".