655115603 has 2 divisors, whose sum is σ = 655115604. Its totient is φ = 655115602.

The previous prime is 655115557. The next prime is 655115633. The reversal of 655115603 is 306511556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655115603 - 2¹⁴ = 655099219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655115603.

It is not a weakly prime, because it can be changed into another prime (655115633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327557801 + 327557802.

It is an arithmetic number, because the mean of its divisors is an integer number (327557802).

Almost surely, 2^655115603 is an apocalyptic number.

655115603 is a deficient number, since it is larger than the sum of its proper divisors (1).

655115603 is an equidigital number, since it uses as much as digits as its factorization.

655115603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 655115603 is about 25595.2261759884. The cubic root of 655115603 is about 868.5056493540.

The spelling of 655115603 in words is "six hundred fifty-five million, one hundred fifteen thousand, six hundred three".