3613513 has 2 divisors, whose sum is σ = 3613514. Its totient is φ = 3613512.

The previous prime is 3613481. The next prime is 3613517. The reversal of 3613513 is 3153163.

3613513 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., 3055504 + 558009 = 1748^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 3613513 - 2⁵ = 3613481 is a prime.

3613513 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613517) 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, 1806756 + 1806757.

It is an arithmetic number, because the mean of its divisors is an integer number (1806757).

Almost surely, 2^3613513 is an apocalyptic number.

It is an amenable number.

3613513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613513 is an equidigital number, since it uses as much as digits as its factorization.

3613513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 22.

The square root of 3613513 is about 1900.9242488853. The cubic root of 3613513 is about 153.4534088847.

Adding to 3613513 its reverse (3153163), we get a palindrome (6766676).

The spelling of 3613513 in words is "three million, six hundred thirteen thousand, five hundred thirteen".