604505505 has 16 divisors (see below), whose sum is σ = 971797824. Its totient is φ = 320873280.

The previous prime is 604505491. The next prime is 604505507. The reversal of 604505505 is 505505406.

It is not a de Polignac number, because 604505505 - 2⁹ = 604504993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604505507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92334 + ... + 98663.

It is an arithmetic number, because the mean of its divisors is an integer number (60737364).

Almost surely, 2^604505505 is an apocalyptic number.

It is an amenable number.

604505505 is a deficient number, since it is larger than the sum of its proper divisors (367292319).

604505505 is a wasteful number, since it uses less digits than its factorization.

604505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191216.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 604505505 is about 24586.6936573424. The cubic root of 604505505 is about 845.5385640390.

Subtracting from 604505505 its reverse (505505406), we obtain a palindrome (99000099).

The spelling of 604505505 in words is "six hundred four million, five hundred five thousand, five hundred five".