655006313 has 12 divisors (see below), whose sum is σ = 710017308. Its totient is φ = 603982080.

The previous prime is 655006309. The next prime is 655006327. The reversal of 655006313 is 313600556.

It can be written as a sum of positive squares in 6 ways, for example, as 8219689 + 646786624 = 2867^2 + 25432^2 .

It is not a de Polignac number, because 655006313 - 2² = 655006309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655006013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248981 + ... + 251597.

It is an arithmetic number, because the mean of its divisors is an integer number (59168109).

Almost surely, 2^655006313 is an apocalyptic number.

It is an amenable number.

655006313 is a deficient number, since it is larger than the sum of its proper divisors (55010995).

655006313 is a wasteful number, since it uses less digits than its factorization.

655006313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4111 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 655006313 is about 25593.0911185031. The cubic root of 655006313 is about 868.4573503664.

Adding to 655006313 its reverse (313600556), we get a palindrome (968606869).

The spelling of 655006313 in words is "six hundred fifty-five million, six thousand, three hundred thirteen".