603530066 has 4 divisors (see below), whose sum is σ = 905295102. Its totient is φ = 301765032.

The previous prime is 603530063. The next prime is 603530071. The reversal of 603530066 is 660035306.

603530066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 417344041 + 186186025 = 20429^2 + 13645^2 .

It is not an unprimeable number, because it can be changed into a prime (603530063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150882515 + ... + 150882518.

Almost surely, 2^603530066 is an apocalyptic number.

603530066 is a deficient number, since it is larger than the sum of its proper divisors (301765036).

603530066 is a wasteful number, since it uses less digits than its factorization.

603530066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301765035.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 603530066 is about 24566.8489228879. The cubic root of 603530066 is about 845.0835280337.

The spelling of 603530066 in words is "six hundred three million, five hundred thirty thousand, sixty-six".