545129999 has 2 divisors, whose sum is σ = 545130000. Its totient is φ = 545129998.

The previous prime is 545129983. The next prime is 545130067. The reversal of 545129999 is 999921545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545129999 - 2⁴ = 545129983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545129999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545129099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272564999 + 272565000.

It is an arithmetic number, because the mean of its divisors is an integer number (272565000).

Almost surely, 2^545129999 is an apocalyptic number.

545129999 is a deficient number, since it is larger than the sum of its proper divisors (1).

545129999 is an equidigital number, since it uses as much as digits as its factorization.

545129999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312200, while the sum is 53.

The square root of 545129999 is about 23348.0191665160. The cubic root of 545129999 is about 816.8958581683.

The spelling of 545129999 in words is "five hundred forty-five million, one hundred twenty-nine thousand, nine hundred ninety-nine".