545241241 has 4 divisors (see below), whose sum is σ = 554179684. Its totient is φ = 536302800.

The previous prime is 545241239. The next prime is 545241251. The reversal of 545241241 is 142142545.

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 196112016 + 349129225 = 14004^2 + 18685^2 .

It is a cyclic number.

It is not a de Polignac number, because 545241241 - 2¹ = 545241239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545241251) 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, 4469130 + ... + 4469251.

It is an arithmetic number, because the mean of its divisors is an integer number (138544921).

Almost surely, 2^545241241 is an apocalyptic number.

It is an amenable number.

545241241 is a deficient number, since it is larger than the sum of its proper divisors (8938443).

545241241 is an equidigital number, since it uses as much as digits as its factorization.

545241241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938442.

The product of its digits is 6400, while the sum is 28.

The square root of 545241241 is about 23350.4013027614. The cubic root of 545241241 is about 816.9514210301.

Adding to 545241241 its reverse (142142545), we get a palindrome (687383786).

The spelling of 545241241 in words is "five hundred forty-five million, two hundred forty-one thousand, two hundred forty-one".