212725385 has 16 divisors (see below), whose sum is σ = 262154880. Its totient is φ = 165648000.

The previous prime is 212725351. The next prime is 212725391. The reversal of 212725385 is 583527212.

It is not a de Polignac number, because 212725385 - 2²⁶ = 145616521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26885 + ... + 33885.

It is an arithmetic number, because the mean of its divisors is an integer number (16384680).

Almost surely, 2^212725385 is an apocalyptic number.

It is an amenable number.

212725385 is a deficient number, since it is larger than the sum of its proper divisors (49429495).

212725385 is a wasteful number, since it uses less digits than its factorization.

212725385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168.

The product of its digits is 33600, while the sum is 35.

The square root of 212725385 is about 14585.1083300742. The cubic root of 212725385 is about 596.9524964844.

The spelling of 212725385 in words is "two hundred twelve million, seven hundred twenty-five thousand, three hundred eighty-five".