604564965 has 80 divisors (see below), whose sum is σ = 1155263472. Its totient is φ = 301418496.

The previous prime is 604564949. The next prime is 604564979. The reversal of 604564965 is 569465406.

It can be written as a sum of positive squares in 8 ways, for example, as 81162081 + 523402884 = 9009^2 + 22878^2 .

It is not a de Polignac number, because 604564965 - 2⁴ = 604564949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 604564965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1906987 + ... + 1907303.

Almost surely, 2^604564965 is an apocalyptic number.

It is an amenable number.

604564965 is a deficient number, since it is larger than the sum of its proper divisors (550698507).

604564965 is a wasteful number, since it uses less digits than its factorization.

604564965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 604564965 is about 24587.9028182560. The cubic root of 604564965 is about 845.5662859122.

The spelling of 604564965 in words is "six hundred four million, five hundred sixty-four thousand, nine hundred sixty-five".