654556103 has 16 divisors (see below), whose sum is σ = 722276352. Its totient is φ = 591096000.

The previous prime is 654556051. The next prime is 654556109. The reversal of 654556103 is 301655456.

It is a cyclic number.

It is not a de Polignac number, because 654556103 - 2¹² = 654552007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654556109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18038 + ... + 40428.

It is an arithmetic number, because the mean of its divisors is an integer number (45142272).

Almost surely, 2^654556103 is an apocalyptic number.

654556103 is a deficient number, since it is larger than the sum of its proper divisors (67720249).

654556103 is a wasteful number, since it uses less digits than its factorization.

654556103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 654556103 is about 25584.2940688228. The cubic root of 654556103 is about 868.2583305044.

The spelling of 654556103 in words is "six hundred fifty-four million, five hundred fifty-six thousand, one hundred three".