542502203 has 4 divisors (see below), whose sum is σ = 542609808. Its totient is φ = 542394600.

The previous prime is 542502179. The next prime is 542502211. The reversal of 542502203 is 302205245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302205245 = 5 ⋅60441049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542502203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542502503) 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, 45848 + ... + 56453.

It is an arithmetic number, because the mean of its divisors is an integer number (135652452).

Almost surely, 2^542502203 is an apocalyptic number.

542502203 is a deficient number, since it is larger than the sum of its proper divisors (107605).

542502203 is a wasteful number, since it uses less digits than its factorization.

542502203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107604.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 542502203 is about 23291.6766893240. The cubic root of 542502203 is about 815.5811294362.

Adding to 542502203 its reverse (302205245), we get a palindrome (844707448).

The spelling of 542502203 in words is "five hundred forty-two million, five hundred two thousand, two hundred three".