212525845 has 8 divisors (see below), whose sum is σ = 291464064. Its totient is φ = 145731984.

The previous prime is 212525843. The next prime is 212525851. The reversal of 212525845 is 548525212.

212525845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212525845 - 2¹ = 212525843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212525845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212525843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036049 + ... + 3036118.

It is an arithmetic number, because the mean of its divisors is an integer number (36433008).

Almost surely, 2^212525845 is an apocalyptic number.

It is an amenable number.

212525845 is a deficient number, since it is larger than the sum of its proper divisors (78938219).

212525845 is an equidigital number, since it uses as much as digits as its factorization.

212525845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072179.

The product of its digits is 32000, while the sum is 34.

The square root of 212525845 is about 14578.2661863474. The cubic root of 212525845 is about 596.7657875893.

The spelling of 212525845 in words is "two hundred twelve million, five hundred twenty-five thousand, eight hundred forty-five".