542234503 has 4 divisors (see below), whose sum is σ = 543313008. Its totient is φ = 541156000.

The previous prime is 542234479. The next prime is 542234513. The reversal of 542234503 is 305432245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305432245 = 5 ⋅61086449.

It is a cyclic number.

It is not a de Polignac number, because 542234503 - 2¹⁷ = 542103431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542234513) 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, 538498 + ... + 539503.

It is an arithmetic number, because the mean of its divisors is an integer number (135828252).

Almost surely, 2^542234503 is an apocalyptic number.

542234503 is a deficient number, since it is larger than the sum of its proper divisors (1078505).

542234503 is a wasteful number, since it uses less digits than its factorization.

542234503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078504.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 542234503 is about 23285.9292921713. The cubic root of 542234503 is about 815.4469567151.

Adding to 542234503 its reverse (305432245), we get a palindrome (847666748).

The spelling of 542234503 in words is "five hundred forty-two million, two hundred thirty-four thousand, five hundred three".