2601210321 has 32 divisors (see below), whose sum is σ = 3883568640. Its totient is φ = 1720731600.

The previous prime is 2601210301. The next prime is 2601210329. The reversal of 2601210321 is 1230121062.

It is not a de Polignac number, because 2601210321 - 2⁷ = 2601210193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601210294 and 2601210303.

It is not an unprimeable number, because it can be changed into a prime (2601210329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3207006 + ... + 3207816.

It is an arithmetic number, because the mean of its divisors is an integer number (121361520).

Almost surely, 2^2601210321 is an apocalyptic number.

It is an amenable number.

2601210321 is a deficient number, since it is larger than the sum of its proper divisors (1282358319).

2601210321 is a wasteful number, since it uses less digits than its factorization.

2601210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2601210321 is about 51002.0619289064. The cubic root of 2601210321 is about 1375.2822025291.

Adding to 2601210321 its reverse (1230121062), we get a palindrome (3831331383).

The spelling of 2601210321 in words is "two billion, six hundred one million, two hundred ten thousand, three hundred twenty-one".