3613481 has 2 divisors, whose sum is σ = 3613482. Its totient is φ = 3613480.

The previous prime is 3613447. The next prime is 3613513. The reversal of 3613481 is 1843163.

3613481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3610000 + 3481 = 1900^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 3613481 - 2⁶ = 3613417 is a prime.

It is a super-2 number, since 2×3613481² = 26114489874722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3613481.

It is not a weakly prime, because it can be changed into another prime (3613681) 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, 1806740 + 1806741.

It is an arithmetic number, because the mean of its divisors is an integer number (1806741).

Almost surely, 2^3613481 is an apocalyptic number.

It is an amenable number.

3613481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613481 is an equidigital number, since it uses as much as digits as its factorization.

3613481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 3613481 is about 1900.9158319084. The cubic root of 3613481 is about 153.4529559069.

It can be divided in two parts, 361 and 3481, that multiplied together give a square (1256641 = 1121²).

The spelling of 3613481 in words is "three million, six hundred thirteen thousand, four hundred eighty-one".