545113261 has 32 divisors (see below), whose sum is σ = 710311680. Its totient is φ = 405888000.

The previous prime is 545113241. The next prime is 545113297. The reversal of 545113261 is 162311545.

545113261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545113261 - 2⁵ = 545113229 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 (545113201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224325 + ... + 226741.

It is an arithmetic number, because the mean of its divisors is an integer number (22197240).

Almost surely, 2^545113261 is an apocalyptic number.

It is an amenable number.

545113261 is a deficient number, since it is larger than the sum of its proper divisors (165198419).

545113261 is a wasteful number, since it uses less digits than its factorization.

545113261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565.

The product of its digits is 3600, while the sum is 28.

The square root of 545113261 is about 23347.6607179392. The cubic root of 545113261 is about 816.8874972619.

The spelling of 545113261 in words is "five hundred forty-five million, one hundred thirteen thousand, two hundred sixty-one".