545450013 has 6 divisors (see below), whose sum is σ = 787872254. Its totient is φ = 363633336.

The previous prime is 545449987. The next prime is 545450023. The reversal of 545450013 is 310054545.

It can be written as a sum of positive squares in only one way, i.e., 417262329 + 128187684 = 20427^2 + 11322^2 .

It is not a de Polignac number, because 545450013 - 2⁹ = 545449501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545450023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30302770 + ... + 30302787.

Almost surely, 2^545450013 is an apocalyptic number.

It is an amenable number.

545450013 is a deficient number, since it is larger than the sum of its proper divisors (242422241).

545450013 is a wasteful number, since it uses less digits than its factorization.

545450013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60605563 (or 60605560 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 545450013 is about 23354.8712905895. The cubic root of 545450013 is about 817.0556775227.

The spelling of 545450013 in words is "five hundred forty-five million, four hundred fifty thousand, thirteen".