455005609 has 4 divisors (see below), whose sum is σ = 456309700. Its totient is φ = 453701520.

The previous prime is 455005591. The next prime is 455005627. The reversal of 455005609 is 906500554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (455005591) and next prime (455005627).

It can be written as a sum of positive squares in 2 ways, for example, as 354945600 + 100060009 = 18840^2 + 10003^2 .

It is a cyclic number.

It is not a de Polignac number, because 455005609 - 2⁹ = 455005097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455005669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651522 + ... + 652219.

It is an arithmetic number, because the mean of its divisors is an integer number (114077425).

Almost surely, 2^455005609 is an apocalyptic number.

It is an amenable number.

455005609 is a deficient number, since it is larger than the sum of its proper divisors (1304091).

455005609 is a wasteful number, since it uses less digits than its factorization.

455005609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304090.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 455005609 is about 21330.8604842843. The cubic root of 455005609 is about 769.1403285909.

The spelling of 455005609 in words is "four hundred fifty-five million, five thousand, six hundred nine".