655452205 has 4 divisors (see below), whose sum is σ = 786542652. Its totient is φ = 524361760.

The previous prime is 655452197. The next prime is 655452211. The reversal of 655452205 is 502254556.

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

It can be written as a sum of positive squares in 2 ways, for example, as 484836361 + 170615844 = 22019^2 + 13062^2 .

It is not a de Polignac number, because 655452205 - 2³ = 655452197 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 65545216 + ... + 65545225.

It is an arithmetic number, because the mean of its divisors is an integer number (196635663).

Almost surely, 2^655452205 is an apocalyptic number.

It is an amenable number.

655452205 is a deficient number, since it is larger than the sum of its proper divisors (131090447).

655452205 is a wasteful number, since it uses less digits than its factorization.

655452205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131090446.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 655452205 is about 25601.8008155676. The cubic root of 655452205 is about 868.6543715453.

The spelling of 655452205 in words is "six hundred fifty-five million, four hundred fifty-two thousand, two hundred five".