604668545 has 16 divisors (see below), whose sum is σ = 782498640. Its totient is φ = 445906944.

The previous prime is 604668511. The next prime is 604668557. The reversal of 604668545 is 545866406.

It can be written as a sum of positive squares in 8 ways, for example, as 209931121 + 394737424 = 14489^2 + 19868^2 .

It is a cyclic number.

It is not a de Polignac number, because 604668545 - 2⁶ = 604668481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 604668496 and 604668505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43937 + ... + 56033.

It is an arithmetic number, because the mean of its divisors is an integer number (48906165).

Almost surely, 2^604668545 is an apocalyptic number.

604668545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

604668545 is a deficient number, since it is larger than the sum of its proper divisors (177830095).

604668545 is a wasteful number, since it uses less digits than its factorization.

604668545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 604668545 is about 24590.0090483920. The cubic root of 604668545 is about 845.6145733913.

The spelling of 604668545 in words is "six hundred four million, six hundred sixty-eight thousand, five hundred forty-five".