543242251 has 8 divisors (see below), whose sum is σ = 571533984. Its totient is φ = 515666880.

The previous prime is 543242213. The next prime is 543242341. The reversal of 543242251 is 152242345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543242251 - 2⁹ = 543241739 is a prime.

It is a super-2 number, since 2×543242251² = 590224286543094002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543242351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177535 + ... + 180568.

It is an arithmetic number, because the mean of its divisors is an integer number (71441748).

Almost surely, 2^543242251 is an apocalyptic number.

543242251 is a deficient number, since it is larger than the sum of its proper divisors (28291733).

543242251 is a wasteful number, since it uses less digits than its factorization.

543242251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358181.

The product of its digits is 9600, while the sum is 28.

The square root of 543242251 is about 23307.5578085736. The cubic root of 543242251 is about 815.9518160666.

Adding to 543242251 its reverse (152242345), we get a palindrome (695484596).

The spelling of 543242251 in words is "five hundred forty-three million, two hundred forty-two thousand, two hundred fifty-one".