361000001 has 2 divisors, whose sum is σ = 361000002. Its totient is φ = 361000000.

The previous prime is 360999983. The next prime is 361000027. The reversal of 361000001 is 100000163.

It is a Cunningham number, because it is equal to 19000²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361000000 + 1 = 19000^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 361000001 - 2²⁶ = 293891137 is a prime.

It is not a weakly prime, because it can be changed into another prime (361000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180500000 + 180500001.

It is an arithmetic number, because the mean of its divisors is an integer number (180500001).

Almost surely, 2^361000001 is an apocalyptic number.

It is an amenable number.

361000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

361000001 is an equidigital number, since it uses as much as digits as its factorization.

361000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 361000001 is about 19000.0000263158. Note that the first 4 decimals coincide. The cubic root of 361000001 is about 712.0367365477.

Adding to 361000001 its reverse (100000163), we get a palindrome (461000164).

The spelling of 361000001 in words is "three hundred sixty-one million, one", and thus it is an aban number.