3612321001 has 2 divisors, whose sum is σ = 3612321002. Its totient is φ = 3612321000.

The previous prime is 3612320981. The next prime is 3612321049. The reversal of 3612321001 is 1001232163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1980161001 + 1632160000 = 44499^2 + 40400^2 .

It is a cyclic number.

It is not a de Polignac number, because 3612321001 - 2⁵ = 3612320969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3612321001.

It is not a weakly prime, because it can be changed into another prime (3612321061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806160500 + 1806160501.

It is an arithmetic number, because the mean of its divisors is an integer number (1806160501).

Almost surely, 2^3612321001 is an apocalyptic number.

It is an amenable number.

3612321001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612321001 is an equidigital number, since it uses as much as digits as its factorization.

3612321001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3612321001 is about 60102.5873070370. The cubic root of 3612321001 is about 1534.3653366965.

Adding to 3612321001 its reverse (1001232163), we get a palindrome (4613553164).

The spelling of 3612321001 in words is "three billion, six hundred twelve million, three hundred twenty-one thousand, one".