538173803 has 16 divisors (see below), whose sum is σ = 595845120. Its totient is φ = 483791616.

The previous prime is 538173787. The next prime is 538173817. The reversal of 538173803 is 308371835.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 538173803 - 2⁴ = 538173787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538173203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50651 + ... + 60347.

It is an arithmetic number, because the mean of its divisors is an integer number (37240320).

Almost surely, 2^538173803 is an apocalyptic number.

538173803 is a deficient number, since it is larger than the sum of its proper divisors (57671317).

538173803 is a wasteful number, since it uses less digits than its factorization.

538173803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 538173803 is about 23198.5732966491. The cubic root of 538173803 is about 813.4062738975.

The spelling of 538173803 in words is "five hundred thirty-eight million, one hundred seventy-three thousand, eight hundred three".