38742001 has 2 divisors, whose sum is σ = 38742002. Its totient is φ = 38742000.

The previous prime is 38741981. The next prime is 38742019. The reversal of 38742001 is 10024783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25492401 + 13249600 = 5049^2 + 3640^2 .

It is an emirp because it is prime and its reverse (10024783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38742001 - 2⁷ = 38741873 is a prime.

It is not a weakly prime, because it can be changed into another prime (38742401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19371000 + 19371001.

It is an arithmetic number, because the mean of its divisors is an integer number (19371001).

Almost surely, 2^38742001 is an apocalyptic number.

It is an amenable number.

38742001 is a deficient number, since it is larger than the sum of its proper divisors (1).

38742001 is an equidigital number, since it uses as much as digits as its factorization.

38742001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 38742001 is about 6224.3072706929. The cubic root of 38742001 is about 338.3716865180.

Adding to 38742001 its reverse (10024783), we get a palindrome (48766784).

The spelling of 38742001 in words is "thirty-eight million, seven hundred forty-two thousand, one".