605504449 has 9 divisors (see below), whose sum is σ = 665852131. Its totient is φ = 550212520.

The previous prime is 605504437. The next prime is 605504461. The reversal of 605504449 is 944405506.

The square root of 605504449 is 24607.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (605504437) and next prime (605504461).

It can be written as a sum of positive squares in only one way, i.e., 481583025 + 123921424 = 21945^2 + 11132^2 .

It is not a de Polignac number, because 605504449 - 2⁷ = 605504321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605504429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 269559 + ... + 271795.

Almost surely, 2^605504449 is an apocalyptic number.

605504449 is the 24607-th square number.

605504449 is the 12304-th centered octagonal number.

It is an amenable number.

605504449 is a deficient number, since it is larger than the sum of its proper divisors (60347682).

605504449 is an frugal number, since it uses more digits than its factorization.

605504449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The cubic root of 605504449 is about 846.0040579216.

The spelling of 605504449 in words is "six hundred five million, five hundred four thousand, four hundred forty-nine".