655350449 has 8 divisors (see below), whose sum is σ = 706074600. Its totient is φ = 604670976.

The previous prime is 655350427. The next prime is 655350473. The reversal of 655350449 is 944053556.

It can be written as a sum of positive squares in 4 ways, for example, as 115949824 + 539400625 = 10768^2 + 23225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-655350449 is a prime.

It is a super-2 number, since 2×655350449² = 858968422009003202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655350349) 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 7 ways as a sum of consecutive naturals, for example, 23249 + ... + 43025.

It is an arithmetic number, because the mean of its divisors is an integer number (88259325).

Almost surely, 2^655350449 is an apocalyptic number.

It is an amenable number.

655350449 is a deficient number, since it is larger than the sum of its proper divisors (50724151).

655350449 is a wasteful number, since it uses less digits than its factorization.

655350449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22339.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 655350449 is about 25599.8134563516. The cubic root of 655350449 is about 868.6094176605.

The spelling of 655350449 in words is "six hundred fifty-five million, three hundred fifty thousand, four hundred forty-nine".