212525458 has 8 divisors (see below), whose sum is σ = 318860928. Its totient is φ = 106238484.

The previous prime is 212525441. The next prime is 212525461. The reversal of 212525458 is 854525212.

212525458 is digitally balanced in base 3, 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 an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235 + ... + 20737.

It is an arithmetic number, because the mean of its divisors is an integer number (39857616).

Almost surely, 2^212525458 is an apocalyptic number.

212525458 is a deficient number, since it is larger than the sum of its proper divisors (106335470).

212525458 is a wasteful number, since it uses less digits than its factorization.

212525458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24248.

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

The square root of 212525458 is about 14578.2529131580. The cubic root of 212525458 is about 596.7654253612.

The spelling of 212525458 in words is "two hundred twelve million, five hundred twenty-five thousand, four hundred fifty-eight".