545141 has 2 divisors, whose sum is σ = 545142. Its totient is φ = 545140.

The previous prime is 545131. The next prime is 545143. The reversal of 545141 is 141545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461041 + 84100 = 679^2 + 290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545141 is a prime.

Together with 545143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272570 + 272571.

It is an arithmetic number, because the mean of its divisors is an integer number (272571).

2⁵⁴⁵¹⁴¹ is an apocalyptic number.

It is an amenable number.

545141 is a deficient number, since it is larger than the sum of its proper divisors (1).

545141 is an equidigital number, since it uses as much as digits as its factorization.

545141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 20.

The square root of 545141 is about 738.3366440859. The cubic root of 545141 is about 81.6901353256.

Adding to 545141 its reverse (141545), we get a palindrome (686686).

It can be divided in two parts, 545 and 141, that added together give a palindrome (686).

The spelling of 545141 in words is "five hundred forty-five thousand, one hundred forty-one".