655605107 has 2 divisors, whose sum is σ = 655605108. Its totient is φ = 655605106.

The previous prime is 655605091. The next prime is 655605151. The reversal of 655605107 is 701506556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655605107 - 2⁴ = 655605091 is a prime.

It is not a weakly prime, because it can be changed into another prime (655605607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327802553 + 327802554.

It is an arithmetic number, because the mean of its divisors is an integer number (327802554).

Almost surely, 2^655605107 is an apocalyptic number.

655605107 is a deficient number, since it is larger than the sum of its proper divisors (1).

655605107 is an equidigital number, since it uses as much as digits as its factorization.

655605107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 655605107 is about 25604.7867985656. The cubic root of 655605107 is about 868.7219120225.

The spelling of 655605107 in words is "six hundred fifty-five million, six hundred five thousand, one hundred seven".