2021104325 has 12 divisors (see below), whose sum is σ = 2516575908. Its totient is φ = 1610169600.

The previous prime is 2021104237. The next prime is 2021104339. The reversal of 2021104325 is 5234011202.

It can be written as a sum of positive squares in 6 ways, for example, as 198753604 + 1822350721 = 14098^2 + 42689^2 .

It is not a de Polignac number, because 2021104325 - 2²⁴ = 2004327109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021104297 and 2021104306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161702 + ... + 173751.

It is an arithmetic number, because the mean of its divisors is an integer number (209714659).

Almost surely, 2^2021104325 is an apocalyptic number.

2021104325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021104325 is a deficient number, since it is larger than the sum of its proper divisors (495471583).

2021104325 is a wasteful number, since it uses less digits than its factorization.

2021104325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335704 (or 335699 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2021104325 is about 44956.6938842260. The cubic root of 2021104325 is about 1264.3371834273.

Adding to 2021104325 its reverse (5234011202), we get a palindrome (7255115527).

The spelling of 2021104325 in words is "two billion, twenty-one million, one hundred four thousand, three hundred twenty-five".