3501613 has 2 divisors, whose sum is σ = 3501614. Its totient is φ = 3501612.

The previous prime is 3501611. The next prime is 3501623. The reversal of 3501613 is 3161053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2832489 + 669124 = 1683^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 3501613 - 2¹ = 3501611 is a prime.

It is a super-2 number, since 2×3501613² = 24522587203538, which contains 22 as substring.

Together with 3501611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3501611) 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, 1750806 + 1750807.

It is an arithmetic number, because the mean of its divisors is an integer number (1750807).

Almost surely, 2^3501613 is an apocalyptic number.

It is an amenable number.

3501613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3501613 is an equidigital number, since it uses as much as digits as its factorization.

3501613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 3501613 is about 1871.2597361136. The cubic root of 3501613 is about 151.8527689070.

Adding to 3501613 its reverse (3161053), we get a palindrome (6662666).

It can be divided in two parts, 3501 and 613, that added together give a palindrome (4114).

The spelling of 3501613 in words is "three million, five hundred one thousand, six hundred thirteen".