548021339 has 4 divisors (see below), whose sum is σ = 552204840. Its totient is φ = 543837840.

The previous prime is 548021321. The next prime is 548021347. The reversal of 548021339 is 933120845.

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 548021339 - 2¹² = 548017243 is a prime.

It is a super-3 number, since 3×548021339³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548021299 and 548021308.

It is not an unprimeable number, because it can be changed into a prime (548021399) 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, 2091554 + ... + 2091815.

It is an arithmetic number, because the mean of its divisors is an integer number (138051210).

Almost surely, 2^548021339 is an apocalyptic number.

548021339 is a deficient number, since it is larger than the sum of its proper divisors (4183501).

548021339 is a wasteful number, since it uses less digits than its factorization.

548021339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183500.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 548021339 is about 23409.8555954538. The cubic root of 548021339 is about 818.3375693796.

The spelling of 548021339 in words is "five hundred forty-eight million, twenty-one thousand, three hundred thirty-nine".