654603441 has 4 divisors (see below), whose sum is σ = 872804592. Its totient is φ = 436402292.

The previous prime is 654603421. The next prime is 654603449. The reversal of 654603441 is 144306456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 654603441 - 2⁹ = 654602929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654603449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109100571 + ... + 109100576.

It is an arithmetic number, because the mean of its divisors is an integer number (218201148).

Almost surely, 2^654603441 is an apocalyptic number.

It is an amenable number.

654603441 is a deficient number, since it is larger than the sum of its proper divisors (218201151).

654603441 is a wasteful number, since it uses less digits than its factorization.

654603441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218201150.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 654603441 is about 25585.2191899933. The cubic root of 654603441 is about 868.2792610362.

Adding to 654603441 its reverse (144306456), we get a palindrome (798909897).

The spelling of 654603441 in words is "six hundred fifty-four million, six hundred three thousand, four hundred forty-one".