212352025 has 6 divisors (see below), whose sum is σ = 263316542. Its totient is φ = 169881600.

The previous prime is 212351989. The next prime is 212352059. The reversal of 212352025 is 520253212.

It can be written as a sum of positive squares in 3 ways, for example, as 10342656 + 202009369 = 3216^2 + 14213^2 .

It is not a de Polignac number, because 212352025 - 2⁷ = 212351897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212351987 and 212352005.

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, 4247016 + ... + 4247065.

Almost surely, 2^212352025 is an apocalyptic number.

212352025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212352025 is a deficient number, since it is larger than the sum of its proper divisors (50964517).

212352025 is an equidigital number, since it uses as much as digits as its factorization.

212352025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494091 (or 8494086 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 212352025 is about 14572.3033525932. The cubic root of 212352025 is about 596.6030495445.

The spelling of 212352025 in words is "two hundred twelve million, three hundred fifty-two thousand, twenty-five".