212302325 has 6 divisors (see below), whose sum is σ = 263254914. Its totient is φ = 169841840.

The previous prime is 212302289. The next prime is 212302327. The reversal of 212302325 is 523203212.

It can be written as a sum of positive squares in 3 ways, for example, as 6265009 + 206037316 = 2503^2 + 14354^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212302325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212302297 and 212302306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4246022 + ... + 4246071.

It is an arithmetic number, because the mean of its divisors is an integer number (43875819).

Almost surely, 2^212302325 is an apocalyptic number.

212302325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212302325 is a deficient number, since it is larger than the sum of its proper divisors (50952589).

212302325 is an equidigital number, since it uses as much as digits as its factorization.

212302325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492103 (or 8492098 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212302325 is about 14570.5979630213. The cubic root of 212302325 is about 596.5565018601.

Adding to 212302325 its reverse (523203212), we get a palindrome (735505537).

The spelling of 212302325 in words is "two hundred twelve million, three hundred two thousand, three hundred twenty-five".