214354521 has 12 divisors (see below), whose sum is σ = 310458148. Its totient is φ = 142517664.

The previous prime is 214354487. The next prime is 214354583. The reversal of 214354521 is 125453412.

214354521 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 2 ways, for example, as 54686025 + 159668496 = 7395^2 + 12636^2 .

It is not a de Polignac number, because 214354521 - 2⁹ = 214354009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214356521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28570 + ... + 35283.

Almost surely, 2^214354521 is an apocalyptic number.

It is an amenable number.

214354521 is a deficient number, since it is larger than the sum of its proper divisors (96103627).

214354521 is a wasteful number, since it uses less digits than its factorization.

214354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64232 (or 64229 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 214354521 is about 14640.8511023096. The cubic root of 214354521 is about 598.4725229899.

The spelling of 214354521 in words is "two hundred fourteen million, three hundred fifty-four thousand, five hundred twenty-one".