212028825 has 12 divisors (see below), whose sum is σ = 350554448. Its totient is φ = 113082000.

The previous prime is 212028821. The next prime is 212028853. The reversal of 212028825 is 528820212.

212028825 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 212028825 - 2² = 212028821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212028792 and 212028801.

It is not an unprimeable number, because it can be changed into a prime (212028821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1413451 + ... + 1413600.

Almost surely, 2^212028825 is an apocalyptic number.

212028825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212028825 is a deficient number, since it is larger than the sum of its proper divisors (138525623).

212028825 is a wasteful number, since it uses less digits than its factorization.

212028825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827064 (or 2827059 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 212028825 is about 14561.2095994804. The cubic root of 212028825 is about 596.3002190384.

The spelling of 212028825 in words is "two hundred twelve million, twenty-eight thousand, eight hundred twenty-five".