545447005 has 16 divisors (see below), whose sum is σ = 666192240. Its totient is φ = 428654592.

The previous prime is 545446999. The next prime is 545447011. The reversal of 545447005 is 500744545.

It is an interprime number because it is at equal distance from previous prime (545446999) and next prime (545447011).

It can be written as a sum of positive squares in 8 ways, for example, as 51451929 + 493995076 = 7173^2 + 22226^2 .

It is a cyclic number.

It is not a de Polignac number, because 545447005 - 2³ = 545446997 is a prime.

It is a super-3 number, since 3×545447005³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 62341 + ... + 70549.

It is an arithmetic number, because the mean of its divisors is an integer number (41637015).

Almost surely, 2^545447005 is an apocalyptic number.

It is an amenable number.

545447005 is a deficient number, since it is larger than the sum of its proper divisors (120745235).

545447005 is a wasteful number, since it uses less digits than its factorization.

545447005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 545447005 is about 23354.8068928005. The cubic root of 545447005 is about 817.0541755775.

The spelling of 545447005 in words is "five hundred forty-five million, four hundred forty-seven thousand, five".