654931011 has 24 divisors (see below), whose sum is σ = 1016843520. Its totient is φ = 373866192.

The previous prime is 654930977. The next prime is 654931019. The reversal of 654931011 is 110139456.

It is not a de Polignac number, because 654931011 - 2⁷ = 654930883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654931011.

It is not an unprimeable number, because it can be changed into a prime (654931019) 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 23 ways as a sum of consecutive naturals, for example, 211170 + ... + 214248.

It is an arithmetic number, because the mean of its divisors is an integer number (42368480).

Almost surely, 2^654931011 is an apocalyptic number.

654931011 is a deficient number, since it is larger than the sum of its proper divisors (361912509).

654931011 is a wasteful number, since it uses less digits than its factorization.

654931011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 654931011 is about 25591.6199370028. The cubic root of 654931011 is about 868.4240687118.

The spelling of 654931011 in words is "six hundred fifty-four million, nine hundred thirty-one thousand, eleven".