654724401 has 12 divisors (see below), whose sum is σ = 921331152. Its totient is φ = 413509464.

The previous prime is 654724393. The next prime is 654724403. The reversal of 654724401 is 104427456.

It is not a de Polignac number, because 654724401 - 2³ = 654724393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654724403) 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, 301191 + ... + 303356.

It is an arithmetic number, because the mean of its divisors is an integer number (76777596).

Almost surely, 2^654724401 is an apocalyptic number.

It is an amenable number.

654724401 is a deficient number, since it is larger than the sum of its proper divisors (266606751).

654724401 is a wasteful number, since it uses less digits than its factorization.

654724401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604588 (or 604569 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 654724401 is about 25587.5829456399. The cubic root of 654724401 is about 868.3327390069.

The spelling of 654724401 in words is "six hundred fifty-four million, seven hundred twenty-four thousand, four hundred one".