634603 has 2 divisors, whose sum is σ = 634604. Its totient is φ = 634602.

The previous prime is 634597. The next prime is 634609. The reversal of 634603 is 306436.

It is a balanced prime because it is at equal distance from previous prime (634597) and next prime (634609).

It is a cyclic number.

It is not a de Polignac number, because 634603 - 2⁹ = 634091 is a prime.

It is not a weakly prime, because it can be changed into another prime (634609) 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, 317301 + 317302.

It is an arithmetic number, because the mean of its divisors is an integer number (317302).

2⁶³⁴⁶⁰³ is an apocalyptic number.

634603 is a deficient number, since it is larger than the sum of its proper divisors (1).

634603 is an equidigital number, since it uses as much as digits as its factorization.

634603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 634603 is about 796.6197336245. The cubic root of 634603 is about 85.9344642233.

The spelling of 634603 in words is "six hundred thirty-four thousand, six hundred three".