212105325 has 24 divisors (see below), whose sum is σ = 354098368. Its totient is φ = 112020480.

The previous prime is 212105323. The next prime is 212105347. The reversal of 212105325 is 523501212.

212105325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212105325 - 2¹ = 212105323 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 (212105323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6004 + ... + 21453.

Almost surely, 2^212105325 is an apocalyptic number.

212105325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212105325 is a deficient number, since it is larger than the sum of its proper divisors (141993043).

212105325 is a wasteful number, since it uses less digits than its factorization.

212105325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27573 (or 27568 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 212105325 is about 14563.8362047916. The cubic root of 212105325 is about 596.3719254549.

Adding to 212105325 its reverse (523501212), we get a palindrome (735606537).

The spelling of 212105325 in words is "two hundred twelve million, one hundred five thousand, three hundred twenty-five".