545242361 has 4 divisors (see below), whose sum is σ = 550338192. Its totient is φ = 540146532.

The previous prime is 545242349. The next prime is 545242367. The reversal of 545242361 is 163242545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545242361 - 2¹⁰ = 545241337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545242367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547755 + ... + 2547968.

It is an arithmetic number, because the mean of its divisors is an integer number (137584548).

Almost surely, 2^545242361 is an apocalyptic number.

It is an amenable number.

545242361 is a deficient number, since it is larger than the sum of its proper divisors (5095831).

545242361 is a wasteful number, since it uses less digits than its factorization.

545242361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095830.

The product of its digits is 28800, while the sum is 32.

The square root of 545242361 is about 23350.4252852063. The cubic root of 545242361 is about 816.9519804064.

The spelling of 545242361 in words is "five hundred forty-five million, two hundred forty-two thousand, three hundred sixty-one".