542443403 has 8 divisors (see below), whose sum is σ = 557195328. Its totient is φ = 527825344.

The previous prime is 542443387. The next prime is 542443411. The reversal of 542443403 is 304344245.

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 542443403 - 2⁴ = 542443387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542443453) 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, 25226 + ... + 41487.

It is an arithmetic number, because the mean of its divisors is an integer number (69649416).

Almost surely, 2^542443403 is an apocalyptic number.

542443403 is a deficient number, since it is larger than the sum of its proper divisors (14751925).

542443403 is a wasteful number, since it uses less digits than its factorization.

542443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66933.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 542443403 is about 23290.4144016374. The cubic root of 542443403 is about 815.5516623343.

Adding to 542443403 its reverse (304344245), we get a palindrome (846787648).

The spelling of 542443403 in words is "five hundred forty-two million, four hundred forty-three thousand, four hundred three".