214430533 has 4 divisors (see below), whose sum is σ = 219660588. Its totient is φ = 209200480.

The previous prime is 214430521. The next prime is 214430539. The reversal of 214430533 is 335034412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60248644 + 154181889 = 7762^2 + 12417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214430533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214430498 and 214430507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214430539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614966 + ... + 2615047.

It is an arithmetic number, because the mean of its divisors is an integer number (54915147).

Almost surely, 2^214430533 is an apocalyptic number.

It is an amenable number.

214430533 is a deficient number, since it is larger than the sum of its proper divisors (5230055).

214430533 is an equidigital number, since it uses as much as digits as its factorization.

214430533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230054.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 214430533 is about 14643.4467595577. The cubic root of 214430533 is about 598.5432558379.

Adding to 214430533 its reverse (335034412), we get a palindrome (549464945).

The spelling of 214430533 in words is "two hundred fourteen million, four hundred thirty thousand, five hundred thirty-three".