212708425 has 6 divisors (see below), whose sum is σ = 263758478. Its totient is φ = 170166720.

The previous prime is 212708423. The next prime is 212708459. The reversal of 212708425 is 524807212.

It is a happy number.

212708425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 394384 + 212314041 = 628^2 + 14571^2 .

It is not a de Polignac number, because 212708425 - 2¹ = 212708423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212708423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4254144 + ... + 4254193.

Almost surely, 2^212708425 is an apocalyptic number.

212708425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212708425 is a deficient number, since it is larger than the sum of its proper divisors (51050053).

212708425 is an equidigital number, since it uses as much as digits as its factorization.

212708425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508347 (or 8508342 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 212708425 is about 14584.5269035372. The cubic root of 212708425 is about 596.9366316118.

The spelling of 212708425 in words is "two hundred twelve million, seven hundred eight thousand, four hundred twenty-five".