611056603 has 2 divisors, whose sum is σ = 611056604. Its totient is φ = 611056602.

The previous prime is 611056583. The next prime is 611056627. The reversal of 611056603 is 306650116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611056603 - 2⁹ = 611056091 is a prime.

It is not a weakly prime, because it can be changed into another prime (611006603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305528301 + 305528302.

It is an arithmetic number, because the mean of its divisors is an integer number (305528302).

Almost surely, 2^611056603 is an apocalyptic number.

611056603 is a deficient number, since it is larger than the sum of its proper divisors (1).

611056603 is an equidigital number, since it uses as much as digits as its factorization.

611056603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 611056603 is about 24719.5591182367. The cubic root of 611056603 is about 848.5819969934.

The spelling of 611056603 in words is "six hundred eleven million, fifty-six thousand, six hundred three".