542132403 has 4 divisors (see below), whose sum is σ = 722843208. Its totient is φ = 361421600.

The previous prime is 542132359. The next prime is 542132417. The reversal of 542132403 is 304231245.

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

It is a cyclic number.

It is not a de Polignac number, because 542132403 - 2¹⁶ = 542066867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542132483) 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, 90355398 + ... + 90355403.

It is an arithmetic number, because the mean of its divisors is an integer number (180710802).

Almost surely, 2^542132403 is an apocalyptic number.

542132403 is a deficient number, since it is larger than the sum of its proper divisors (180710805).

542132403 is a wasteful number, since it uses less digits than its factorization.

542132403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180710804.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 542132403 is about 23283.7368779155. The cubic root of 542132403 is about 815.3957719971.

Adding to 542132403 its reverse (304231245), we get a palindrome (846363648).

It can be divided in two parts, 54213 and 2403, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 542132403 in words is "five hundred forty-two million, one hundred thirty-two thousand, four hundred three".