543234401 has 4 divisors (see below), whose sum is σ = 566853312. Its totient is φ = 519615492.

The previous prime is 543234397. The next prime is 543234427. The reversal of 543234401 is 104432345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104432345 = 5 ⋅20886469.

It is a cyclic number.

It is not a de Polignac number, because 543234401 - 2² = 543234397 is a prime.

It is a super-2 number, since 2×543234401² = 590207228859657602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543234451) 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, 11809421 + ... + 11809466.

It is an arithmetic number, because the mean of its divisors is an integer number (141713328).

Almost surely, 2^543234401 is an apocalyptic number.

It is an amenable number.

543234401 is a deficient number, since it is larger than the sum of its proper divisors (23618911).

543234401 is a wasteful number, since it uses less digits than its factorization.

543234401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618910.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 543234401 is about 23307.3894076535. The cubic root of 543234401 is about 815.9478858050.

Adding to 543234401 its reverse (104432345), we get a palindrome (647666746).

The spelling of 543234401 in words is "five hundred forty-three million, two hundred thirty-four thousand, four hundred one".