617963 has 2 divisors, whose sum is σ = 617964. Its totient is φ = 617962.

The previous prime is 617959. The next prime is 617971. The reversal of 617963 is 369716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 617963 - 2² = 617959 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (617983) 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, 308981 + 308982.

It is an arithmetic number, because the mean of its divisors is an integer number (308982).

2⁶¹⁷⁹⁶³ is an apocalyptic number.

617963 is a deficient number, since it is larger than the sum of its proper divisors (1).

617963 is an equidigital number, since it uses as much as digits as its factorization.

617963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 617963 is about 786.1062269185. The cubic root of 617963 is about 85.1767027634.

The spelling of 617963 in words is "six hundred seventeen thousand, nine hundred sixty-three".