2613121 has 12 divisors (see below), whose sum is σ = 3219588. Its totient is φ = 2107392.

The previous prime is 2613113. The next prime is 2613133. The reversal of 2613121 is 1213162.

It can be written as a sum of positive squares in 2 ways, for example, as 2436721 + 176400 = 1561^2 + 420^2 .

It is not a de Polignac number, because 2613121 - 2³ = 2613113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2613095 and 2613104.

It is not an unprimeable number, because it can be changed into a prime (2613151) 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 in 11 ways as a sum of consecutive naturals, for example, 736 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (268299).

2^2613121 is an apocalyptic number.

It is an amenable number.

2613121 is a deficient number, since it is larger than the sum of its proper divisors (606467).

2613121 is a wasteful number, since it uses less digits than its factorization.

2613121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3161 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 2613121 is about 1616.5150788038. The cubic root of 2613121 is about 137.7378099518.

Adding to 2613121 its reverse (1213162), we get a palindrome (3826283).

The spelling of 2613121 in words is "two million, six hundred thirteen thousand, one hundred twenty-one".