4631603 has 4 divisors (see below), whose sum is σ = 4641528. Its totient is φ = 4621680.

The previous prime is 4631597. The next prime is 4631629. The reversal of 4631603 is 3061364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4631603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4631663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1160382).

Almost surely, 2^4631603 is an apocalyptic number.

4631603 is a deficient number, since it is larger than the sum of its proper divisors (9925).

4631603 is an equidigital number, since it uses as much as digits as its factorization.

4631603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4631603 is about 2152.1159355388. The cubic root of 4631603 is about 166.6903437473.

Adding to 4631603 its reverse (3061364), we get a palindrome (7692967).

The spelling of 4631603 in words is "four million, six hundred thirty-one thousand, six hundred three".