538045273 has 8 divisors (see below), whose sum is σ = 541910600. Its totient is φ = 534193920.

The previous prime is 538045243. The next prime is 538045289. The reversal of 538045273 is 372540835.

It can be written as a sum of positive squares in 4 ways, for example, as 46403344 + 491641929 = 6812^2 + 22173^2 .

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 538045273 - 2¹³ = 538037081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538045213) 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 7 ways as a sum of consecutive naturals, for example, 80911 + ... + 87307.

It is an arithmetic number, because the mean of its divisors is an integer number (67738825).

Almost surely, 2^538045273 is an apocalyptic number.

It is an amenable number.

538045273 is a deficient number, since it is larger than the sum of its proper divisors (3865327).

538045273 is a wasteful number, since it uses less digits than its factorization.

538045273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 538045273 is about 23195.8029177694. The cubic root of 538045273 is about 813.3415145009.

It can be divided in two parts, 5380 and 45273, that added together give a cube (50653 = 37³).

The spelling of 538045273 in words is "five hundred thirty-eight million, forty-five thousand, two hundred seventy-three".