3621502601 has 2 divisors, whose sum is σ = 3621502602. Its totient is φ = 3621502600.

The previous prime is 3621502589. The next prime is 3621502627. The reversal of 3621502601 is 1062051263.

It is an a-pointer prime, because the next prime (3621502627) can be obtained adding 3621502601 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2224537225 + 1396965376 = 47165^2 + 37376^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621502601 - 2²⁶ = 3554393737 is a prime.

It is not a weakly prime, because it can be changed into another prime (3621502631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810751300 + 1810751301.

It is an arithmetic number, because the mean of its divisors is an integer number (1810751301).

Almost surely, 2^3621502601 is an apocalyptic number.

It is an amenable number.

3621502601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621502601 is an equidigital number, since it uses as much as digits as its factorization.

3621502601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3621502601 is about 60178.9215672730. The cubic root of 3621502601 is about 1535.6642254739.

Adding to 3621502601 its reverse (1062051263), we get a palindrome (4683553864).

The spelling of 3621502601 in words is "three billion, six hundred twenty-one million, five hundred two thousand, six hundred one".