545420333 has 4 divisors (see below), whose sum is σ = 577503900. Its totient is φ = 513336768.

The previous prime is 545420287. The next prime is 545420347. The reversal of 545420333 is 333024545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 487614724 + 57805609 = 22082^2 + 7603^2 .

It is a cyclic number.

It is not a de Polignac number, because 545420333 - 2⁶ = 545420269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545420296 and 545420305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545420633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16041758 + ... + 16041791.

It is an arithmetic number, because the mean of its divisors is an integer number (144375975).

Almost surely, 2^545420333 is an apocalyptic number.

It is an amenable number.

545420333 is a deficient number, since it is larger than the sum of its proper divisors (32083567).

545420333 is a wasteful number, since it uses less digits than its factorization.

545420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32083566.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 545420333 is about 23354.2358684672. The cubic root of 545420333 is about 817.0408575564.

Adding to 545420333 its reverse (333024545), we get a palindrome (878444878).

The spelling of 545420333 in words is "five hundred forty-five million, four hundred twenty thousand, three hundred thirty-three".