2613421 has 12 divisors (see below), whose sum is σ = 2836512. Its totient is φ = 2402928.

The previous prime is 2613397. The next prime is 2613449. The reversal of 2613421 is 1243162.

It is not a de Polignac number, because 2613421 - 2⁵ = 2613389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31446 + ... + 31528.

It is an arithmetic number, because the mean of its divisors is an integer number (236376).

2^2613421 is an apocalyptic number.

It is an amenable number.

2613421 is a deficient number, since it is larger than the sum of its proper divisors (223091).

2613421 is an equidigital number, since it uses as much as digits as its factorization.

2613421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 143 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2613421 is about 1616.6078683466. The cubic root of 2613421 is about 137.7430807578.

Adding to 2613421 its reverse (1243162), we get a palindrome (3856583).

The spelling of 2613421 in words is "two million, six hundred thirteen thousand, four hundred twenty-one".