604197553 has 4 divisors (see below), whose sum is σ = 609544548. Its totient is φ = 598850560.

The previous prime is 604197541. The next prime is 604197563. The reversal of 604197553 is 355791406.

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

It can be written as a sum of positive squares in 2 ways, for example, as 294191104 + 310006449 = 17152^2 + 17607^2 .

It is a cyclic number.

It is not a de Polignac number, because 604197553 - 2²⁹ = 67326641 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604197563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2673328 + ... + 2673553.

It is an arithmetic number, because the mean of its divisors is an integer number (152386137).

Almost surely, 2^604197553 is an apocalyptic number.

It is an amenable number.

604197553 is a deficient number, since it is larger than the sum of its proper divisors (5346995).

604197553 is a wasteful number, since it uses less digits than its factorization.

604197553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346994.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 604197553 is about 24580.4302850865. The cubic root of 604197553 is about 845.3949593252.

The spelling of 604197553 in words is "six hundred four million, one hundred ninety-seven thousand, five hundred fifty-three".