212584225 has 12 divisors (see below), whose sum is σ = 301262464. Its totient is φ = 145771920.

The previous prime is 212584213. The next prime is 212584231. The reversal of 212584225 is 522485212.

212584225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212584225 - 2⁹ = 212583713 is a prime.

It is a Duffinian number.

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, 607209 + ... + 607558.

Almost surely, 2^212584225 is an apocalyptic number.

212584225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212584225 is a deficient number, since it is larger than the sum of its proper divisors (88678239).

212584225 is a wasteful number, since it uses less digits than its factorization.

212584225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214784 (or 1214779 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 212584225 is about 14580.2683445813. The cubic root of 212584225 is about 596.8204256454.

The spelling of 212584225 in words is "two hundred twelve million, five hundred eighty-four thousand, two hundred twenty-five".