3613871 has 2 divisors, whose sum is σ = 3613872. Its totient is φ = 3613870.

The previous prime is 3613867. The next prime is 3613879. The reversal of 3613871 is 1783163.

It is a weak prime.

It is an emirp because it is prime and its reverse (1783163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3613871 - 2² = 3613867 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806935 + 1806936.

It is an arithmetic number, because the mean of its divisors is an integer number (1806936).

Almost surely, 2^3613871 is an apocalyptic number.

3613871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613871 is an equidigital number, since it uses as much as digits as its factorization.

3613871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 3613871 is about 1901.0184112733. The cubic root of 3613871 is about 153.4584763916.

The spelling of 3613871 in words is "three million, six hundred thirteen thousand, eight hundred seventy-one".