655120603 has 2 divisors, whose sum is σ = 655120604. Its totient is φ = 655120602.

The previous prime is 655120553. The next prime is 655120649. The reversal of 655120603 is 306021556.

655120603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655120603 is a prime.

It is not a weakly prime, because it can be changed into another prime (655121603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327560301 + 327560302.

It is an arithmetic number, because the mean of its divisors is an integer number (327560302).

Almost surely, 2^655120603 is an apocalyptic number.

655120603 is a deficient number, since it is larger than the sum of its proper divisors (1).

655120603 is an equidigital number, since it uses as much as digits as its factorization.

655120603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 655120603 is about 25595.3238502661. The cubic root of 655120603 is about 868.5078588965.

The spelling of 655120603 in words is "six hundred fifty-five million, one hundred twenty thousand, six hundred three".