538667503 has 4 divisors (see below), whose sum is σ = 587637288. Its totient is φ = 489697720.

The previous prime is 538667483. The next prime is 538667509. The reversal of 538667503 is 305766835.

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 538667503 - 2²⁹ = 1796591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538667503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538667509) 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, 24484876 + ... + 24484897.

It is an arithmetic number, because the mean of its divisors is an integer number (146909322).

Almost surely, 2^538667503 is an apocalyptic number.

538667503 is a deficient number, since it is larger than the sum of its proper divisors (48969785).

538667503 is a wasteful number, since it uses less digits than its factorization.

538667503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48969784.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 538667503 is about 23209.2115979841. The cubic root of 538667503 is about 813.6549271146.

The spelling of 538667503 in words is "five hundred thirty-eight million, six hundred sixty-seven thousand, five hundred three".