654741651 has 16 divisors (see below), whose sum is σ = 888296960. Its totient is φ = 428893920.

The previous prime is 654741649. The next prime is 654741673. The reversal of 654741651 is 156147456.

It is not a de Polignac number, because 654741651 - 2¹ = 654741649 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654721651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43461 + ... + 56553.

It is an arithmetic number, because the mean of its divisors is an integer number (55518560).

Almost surely, 2^654741651 is an apocalyptic number.

654741651 is a deficient number, since it is larger than the sum of its proper divisors (233555309).

654741651 is a wasteful number, since it uses less digits than its factorization.

654741651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386.

The product of its digits is 100800, while the sum is 39.

The square root of 654741651 is about 25587.9200209786. The cubic root of 654741651 is about 868.3403649170.

The spelling of 654741651 in words is "six hundred fifty-four million, seven hundred forty-one thousand, six hundred fifty-one".