545033021 has 8 divisors (see below), whose sum is σ = 587153280. Its totient is φ = 502940592.

The previous prime is 545033017. The next prime is 545033023. The reversal of 545033021 is 120330545.

545033021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 545033021 - 2² = 545033017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545033023) 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, 52760 + ... + 62238.

It is an arithmetic number, because the mean of its divisors is an integer number (73394160).

Almost surely, 2^545033021 is an apocalyptic number.

It is an amenable number.

545033021 is a deficient number, since it is larger than the sum of its proper divisors (42120259).

545033021 is a wasteful number, since it uses less digits than its factorization.

545033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13915.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 545033021 is about 23345.9422812616. The cubic root of 545033021 is about 816.8474136842.

Adding to 545033021 its reverse (120330545), we get a palindrome (665363566).

The spelling of 545033021 in words is "five hundred forty-five million, thirty-three thousand, twenty-one".