214721253 has 32 divisors (see below), whose sum is σ = 326073600. Its totient is φ = 139608000.

The previous prime is 214721233. The next prime is 214721267. The reversal of 214721253 is 352127412.

214721253 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 214721253 - 2⁶ = 214721189 is a prime.

It is a super-3 number, since 3×214721253³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214721233) 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, 193063 + ... + 194171.

It is an arithmetic number, because the mean of its divisors is an integer number (10189800).

Almost surely, 2^214721253 is an apocalyptic number.

It is an amenable number.

214721253 is a deficient number, since it is larger than the sum of its proper divisors (111352347).

214721253 is a wasteful number, since it uses less digits than its factorization.

214721253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1284 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 214721253 is about 14653.3700219438. The cubic root of 214721253 is about 598.8136307595.

Adding to 214721253 its reverse (352127412), we get a palindrome (566848665).

It can be divided in two parts, 21 and 4721253, that added together give a palindrome (4721274).

The spelling of 214721253 in words is "two hundred fourteen million, seven hundred twenty-one thousand, two hundred fifty-three".