212033425 has 12 divisors (see below), whose sum is σ = 263220876. Its totient is φ = 169433600.

The previous prime is 212033383. The next prime is 212033461. The reversal of 212033425 is 524330212.

It can be written as a sum of positive squares in 6 ways, for example, as 18378369 + 193655056 = 4287^2 + 13916^2 .

It is not a de Polignac number, because 212033425 - 2²¹ = 209936273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212033396 and 212033405.

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, 20085 + ... + 28765.

It is an arithmetic number, because the mean of its divisors is an integer number (21935073).

Almost surely, 2^212033425 is an apocalyptic number.

212033425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212033425 is a deficient number, since it is larger than the sum of its proper divisors (51187451).

212033425 is an equidigital number, since it uses as much as digits as its factorization.

212033425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668 (or 9663 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 212033425 is about 14561.3675525343. The cubic root of 212033425 is about 596.3045312841.

Adding to 212033425 its reverse (524330212), we get a palindrome (736363637).

The spelling of 212033425 in words is "two hundred twelve million, thirty-three thousand, four hundred twenty-five".