538478273 has 8 divisors (see below), whose sum is σ = 540898080. Its totient is φ = 536064480.

The previous prime is 538478267. The next prime is 538478329. The reversal of 538478273 is 372874835.

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 538478273 - 2⁴ = 538478257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538478173) 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, 287486 + ... + 289352.

It is an arithmetic number, because the mean of its divisors is an integer number (67612260).

Almost surely, 2^538478273 is an apocalyptic number.

It is an amenable number.

538478273 is a deficient number, since it is larger than the sum of its proper divisors (2419807).

538478273 is a wasteful number, since it uses less digits than its factorization.

538478273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007.

The product of its digits is 1128960, while the sum is 47.

The square root of 538478273 is about 23205.1346257676. The cubic root of 538478273 is about 813.5596389242.

The spelling of 538478273 in words is "five hundred thirty-eight million, four hundred seventy-eight thousand, two hundred seventy-three".