654664427 has 8 divisors (see below), whose sum is σ = 668957616. Its totient is φ = 640443232.

The previous prime is 654664411. The next prime is 654664469. The reversal of 654664427 is 724466456.

654664427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654664427 - 2⁴ = 654664411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654664487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (83619702).

Almost surely, 2^654664427 is an apocalyptic number.

654664427 is a deficient number, since it is larger than the sum of its proper divisors (14293189).

654664427 is a wasteful number, since it uses less digits than its factorization.

654664427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35997.

The product of its digits is 967680, while the sum is 44.

The square root of 654664427 is about 25586.4109831762. The cubic root of 654664427 is about 868.3062245540.

The spelling of 654664427 in words is "six hundred fifty-four million, six hundred sixty-four thousand, four hundred twenty-seven".