654650545 has 16 divisors (see below), whose sum is σ = 804411648. Its totient is φ = 511225600.

The previous prime is 654650497. The next prime is 654650551. The reversal of 654650545 is 545056456.

It is not a de Polignac number, because 654650545 - 2⁷ = 654650417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 654650498 and 654650507.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 90762 + ... + 97708.

It is an arithmetic number, because the mean of its divisors is an integer number (50275728).

Almost surely, 2^654650545 is an apocalyptic number.

It is an amenable number.

654650545 is a deficient number, since it is larger than the sum of its proper divisors (149761103).

654650545 is a wasteful number, since it uses less digits than its factorization.

654650545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400.

The product of its (nonzero) digits is 360000, while the sum is 40.

The square root of 654650545 is about 25586.1397049262. The cubic root of 654650545 is about 868.3000871032.

The spelling of 654650545 in words is "six hundred fifty-four million, six hundred fifty thousand, five hundred forty-five".