543221253 has 12 divisors (see below), whose sum is σ = 801348288. Its totient is φ = 354441960.

The previous prime is 543221249. The next prime is 543221257. The reversal of 543221253 is 352122345.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (543221249) and next prime (543221257).

It is not a de Polignac number, because 543221253 - 2² = 543221249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543221257) 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, 641683 + ... + 642528.

It is an arithmetic number, because the mean of its divisors is an integer number (66779024).

Almost surely, 2^543221253 is an apocalyptic number.

It is an amenable number.

543221253 is a deficient number, since it is larger than the sum of its proper divisors (258127035).

543221253 is a wasteful number, since it uses less digits than its factorization.

543221253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284264 (or 1284261 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 543221253 is about 23307.1073494760. The cubic root of 543221253 is about 815.9413029073.

Adding to 543221253 its reverse (352122345), we get a palindrome (895343598).

The spelling of 543221253 in words is "five hundred forty-three million, two hundred twenty-one thousand, two hundred fifty-three".