654742611 has 12 divisors (see below), whose sum is σ = 945965592. Its totient is φ = 436390656.

The previous prime is 654742609. The next prime is 654742619. The reversal of 654742611 is 116247456.

It is not a de Polignac number, because 654742611 - 2¹ = 654742609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654742619) 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, 57580 + ... + 68006.

It is an arithmetic number, because the mean of its divisors is an integer number (78830466).

Almost surely, 2^654742611 is an apocalyptic number.

654742611 is a deficient number, since it is larger than the sum of its proper divisors (291222981).

654742611 is a wasteful number, since it uses less digits than its factorization.

654742611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17410 (or 17407 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 654742611 is about 25587.9387798236. The cubic root of 654742611 is about 868.3407893115.

The spelling of 654742611 in words is "six hundred fifty-four million, seven hundred forty-two thousand, six hundred eleven".