212411425 has 12 divisors (see below), whose sum is σ = 263654380. Its totient is φ = 169758720.

The previous prime is 212411363. The next prime is 212411449. The reversal of 212411425 is 524114212.

It can be written as a sum of positive squares in 6 ways, for example, as 14615329 + 197796096 = 3823^2 + 14064^2 .

It is not a de Polignac number, because 212411425 - 2²⁷ = 78193697 is a prime.

It is a super-2 number, since 2×212411425² = 90237226941061250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212411396 and 212411405.

It is a congruent number.

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, 25141 + ... + 32509.

Almost surely, 2^212411425 is an apocalyptic number.

212411425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212411425 is a deficient number, since it is larger than the sum of its proper divisors (51242955).

212411425 is a wasteful number, since it uses less digits than its factorization.

212411425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8532 (or 8527 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 212411425 is about 14574.3413230238. The cubic root of 212411425 is about 596.6586724617.

Adding to 212411425 its reverse (524114212), we get a palindrome (736525637).

The spelling of 212411425 in words is "two hundred twelve million, four hundred eleven thousand, four hundred twenty-five".