538505003 has 8 divisors (see below), whose sum is σ = 566893728. Its totient is φ = 510530944.

The previous prime is 538504997. The next prime is 538505021. The reversal of 538505003 is 300505835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538505003 - 2¹⁴ = 538488619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538505503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101000 + ... + 106197.

It is an arithmetic number, because the mean of its divisors is an integer number (70861716).

Almost surely, 2^538505003 is an apocalyptic number.

538505003 is a deficient number, since it is larger than the sum of its proper divisors (28388725).

538505003 is a wasteful number, since it uses less digits than its factorization.

538505003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207333.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 538505003 is about 23205.7105687372. The cubic root of 538505003 is about 813.5731003707.

The spelling of 538505003 in words is "five hundred thirty-eight million, five hundred five thousand, three".