538239003 has 4 divisors (see below), whose sum is σ = 717652008. Its totient is φ = 358826000.

The previous prime is 538238993. The next prime is 538239029. The reversal of 538239003 is 300932835.

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 538239003 - 2¹³ = 538230811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538239083) 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, 89706498 + ... + 89706503.

It is an arithmetic number, because the mean of its divisors is an integer number (179413002).

Almost surely, 2^538239003 is an apocalyptic number.

538239003 is a deficient number, since it is larger than the sum of its proper divisors (179413005).

538239003 is a wasteful number, since it uses less digits than its factorization.

538239003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179413004.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 538239003 is about 23199.9785129211. The cubic root of 538239003 is about 813.4391207506.

It can be divided in two parts, 53823 and 9003, that added together give a palindrome (62826).

The spelling of 538239003 in words is "five hundred thirty-eight million, two hundred thirty-nine thousand, three".