654775459 has 12 divisors (see below), whose sum is σ = 731894592. Its totient is φ = 584906400.

The previous prime is 654775447. The next prime is 654775469. The reversal of 654775459 is 954577456.

It is not a de Polignac number, because 654775459 - 2⁹ = 654774947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654775439) 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 11 ways as a sum of consecutive naturals, for example, 57252 + ... + 67729.

It is an arithmetic number, because the mean of its divisors is an integer number (60991216).

Almost surely, 2^654775459 is an apocalyptic number.

654775459 is a deficient number, since it is larger than the sum of its proper divisors (77119133).

654775459 is a wasteful number, since it uses less digits than its factorization.

654775459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125038 (or 125025 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 52.

The square root of 654775459 is about 25588.5806366824. The cubic root of 654775459 is about 868.3553104281.

The spelling of 654775459 in words is "six hundred fifty-four million, seven hundred seventy-five thousand, four hundred fifty-nine".