654641303 has 4 divisors (see below), whose sum is σ = 654718368. Its totient is φ = 654564240.

The previous prime is 654641293. The next prime is 654641311. The reversal of 654641303 is 303146456.

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

It is a cyclic number.

It is not a de Polignac number, because 654641303 - 2¹⁰ = 654640279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 654641303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654641363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23951 + ... + 43392.

It is an arithmetic number, because the mean of its divisors is an integer number (163679592).

Almost surely, 2^654641303 is an apocalyptic number.

654641303 is a deficient number, since it is larger than the sum of its proper divisors (77065).

654641303 is an equidigital number, since it uses as much as digits as its factorization.

654641303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77064.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 654641303 is about 25585.9590986932. The cubic root of 654641303 is about 868.2960010213.

Adding to 654641303 its reverse (303146456), we get a palindrome (957787759).

The spelling of 654641303 in words is "six hundred fifty-four million, six hundred forty-one thousand, three hundred three".