214021353 has 32 divisors (see below), whose sum is σ = 359799552. Its totient is φ = 110131200.

The previous prime is 214021343. The next prime is 214021387. The reversal of 214021353 is 353120412.

214021353 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 214021353 - 2⁴ = 214021337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (214021343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1633 + ... + 20753.

It is an arithmetic number, because the mean of its divisors is an integer number (11243736).

Almost surely, 2^214021353 is an apocalyptic number.

It is an amenable number.

214021353 is a deficient number, since it is larger than the sum of its proper divisors (145778199).

214021353 is a wasteful number, since it uses less digits than its factorization.

214021353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19185.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 214021353 is about 14629.4686506380. The cubic root of 214021353 is about 598.1622966013.

Adding to 214021353 its reverse (353120412), we get a palindrome (567141765).

The spelling of 214021353 in words is "two hundred fourteen million, twenty-one thousand, three hundred fifty-three".