10006603 has 2 divisors, whose sum is σ = 10006604. Its totient is φ = 10006602.

The previous prime is 10006567. The next prime is 10006627. The reversal of 10006603 is 30660001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10006603 is a prime.

It is not a weakly prime, because it can be changed into another prime (10006643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003301 + 5003302.

It is an arithmetic number, because the mean of its divisors is an integer number (5003302).

Almost surely, 2^10006603 is an apocalyptic number.

10006603 is a deficient number, since it is larger than the sum of its proper divisors (1).

10006603 is an equidigital number, since it uses as much as digits as its factorization.

10006603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 10006603 is about 3163.3215138522. The cubic root of 10006603 is about 215.4908776776.

Adding to 10006603 its reverse (30660001), we get a palindrome (40666604).

It can be divided in two parts, 10006 and 603, that added together give a square (10609 = 103²).

The spelling of 10006603 in words is "ten million, six thousand, six hundred three".