654780103 has 2 divisors, whose sum is σ = 654780104. Its totient is φ = 654780102.

The previous prime is 654780089. The next prime is 654780121. The reversal of 654780103 is 301087456.

654780103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654780103 - 2⁹ = 654779591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654700103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327390051 + 327390052.

It is an arithmetic number, because the mean of its divisors is an integer number (327390052).

Almost surely, 2^654780103 is an apocalyptic number.

654780103 is a deficient number, since it is larger than the sum of its proper divisors (1).

654780103 is an equidigital number, since it uses as much as digits as its factorization.

654780103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 654780103 is about 25588.6713801244. The cubic root of 654780103 is about 868.3573633621.

The spelling of 654780103 in words is "six hundred fifty-four million, seven hundred eighty thousand, one hundred three".