214521532 has 12 divisors (see below), whose sum is σ = 375557560. Its totient is φ = 107219376.

The previous prime is 214521491. The next prime is 214521563. The reversal of 214521532 is 235125412.

It is a junction number, because it is equal to n+sod(n) for n = 214521497 and 214521506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319 + ... + 20977.

Almost surely, 2^214521532 is an apocalyptic number.

It is an amenable number.

214521532 is a deficient number, since it is larger than the sum of its proper divisors (161036028).

214521532 is a wasteful number, since it uses less digits than its factorization.

214521532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20700 (or 20698 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 214521532 is about 14646.5535877899. The cubic root of 214521532 is about 598.6279128346.

Adding to 214521532 its reverse (235125412), we get a palindrome (449646944).

The spelling of 214521532 in words is "two hundred fourteen million, five hundred twenty-one thousand, five hundred thirty-two".