494231503 has 4 divisors (see below), whose sum is σ = 494457048. Its totient is φ = 494005960.

The previous prime is 494231489. The next prime is 494231513. The reversal of 494231503 is 305132494.

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 494231503 - 2⁵ = 494231471 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 (494231513) 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, 109453 + ... + 113878.

It is an arithmetic number, because the mean of its divisors is an integer number (123614262).

Almost surely, 2^494231503 is an apocalyptic number.

494231503 is a deficient number, since it is larger than the sum of its proper divisors (225545).

494231503 is a wasteful number, since it uses less digits than its factorization.

494231503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225544.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 494231503 is about 22231.3180670873. The cubic root of 494231503 is about 790.6364059513.

Adding to 494231503 its reverse (305132494), we get a palindrome (799363997).

The spelling of 494231503 in words is "four hundred ninety-four million, two hundred thirty-one thousand, five hundred three".