654799005 has 128 divisors (see below), whose sum is σ = 1382400000. Its totient is φ = 293896512.

The previous prime is 654799003. The next prime is 654799031. The reversal of 654799005 is 500997456.

It is a happy number.

654799005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 654799005 - 2¹ = 654799003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654799001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3658006 + ... + 3658184.

It is an arithmetic number, because the mean of its divisors is an integer number (10800000).

Almost surely, 2^654799005 is an apocalyptic number.

It is an amenable number.

654799005 is an abundant number, since it is smaller than the sum of its proper divisors (727600995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654799005 is a wasteful number, since it uses less digits than its factorization.

654799005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 654799005 is about 25589.0407205897. The cubic root of 654799005 is about 868.3657191103.

The spelling of 654799005 in words is "six hundred fifty-four million, seven hundred ninety-nine thousand, five".