654103 has 4 divisors (see below), whose sum is σ = 664888. Its totient is φ = 643320.

The previous prime is 654089. The next prime is 654107. The reversal of 654103 is 301456.

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 654103 - 2¹⁷ = 523031 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654107) 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, 5301 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (166222).

2⁶⁵⁴¹⁰³ is an apocalyptic number.

654103 is a deficient number, since it is larger than the sum of its proper divisors (10785).

654103 is a wasteful number, since it uses less digits than its factorization.

654103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10784.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 654103 is about 808.7663445025. The cubic root of 654103 is about 86.8057939601.

Adding to 654103 its reverse (301456), we get a palindrome (955559).

It can be divided in two parts, 654 and 103, that added together give a palindrome (757).

The spelling of 654103 in words is "six hundred fifty-four thousand, one hundred three".