213322325 has 6 divisors (see below), whose sum is σ = 264519714. Its totient is φ = 170657840.

The previous prime is 213322313. The next prime is 213322339. The reversal of 213322325 is 523223312.

213322325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3912484 + 209409841 = 1978^2 + 14471^2 .

It is not a de Polignac number, because 213322325 - 2⁶ = 213322261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213322325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4266422 + ... + 4266471.

It is an arithmetic number, because the mean of its divisors is an integer number (44086619).

Almost surely, 2^213322325 is an apocalyptic number.

213322325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213322325 is a deficient number, since it is larger than the sum of its proper divisors (51197389).

213322325 is an equidigital number, since it uses as much as digits as its factorization.

213322325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8532903 (or 8532898 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 213322325 is about 14605.5580174124. The cubic root of 213322325 is about 597.5103550314.

Adding to 213322325 its reverse (523223312), we get a palindrome (736545637).

The spelling of 213322325 in words is "two hundred thirteen million, three hundred twenty-two thousand, three hundred twenty-five".