545929 has 2 divisors, whose sum is σ = 545930. Its totient is φ = 545928.

The previous prime is 545917. The next prime is 545933. The reversal of 545929 is 929545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 126025 = 648^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 545929 - 2¹⁷ = 414857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545894 and 545903.

It is not a weakly prime, because it can be changed into another prime (545939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272964 + 272965.

It is an arithmetic number, because the mean of its divisors is an integer number (272965).

2⁵⁴⁵⁹²⁹ is an apocalyptic number.

It is an amenable number.

545929 is a deficient number, since it is larger than the sum of its proper divisors (1).

545929 is an equidigital number, since it uses as much as digits as its factorization.

545929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 545929 is about 738.8700833029. The cubic root of 545929 is about 81.7294773399.

The spelling of 545929 in words is "five hundred forty-five thousand, nine hundred twenty-nine".