654605004 has 12 divisors (see below), whose sum is σ = 1527411704. Its totient is φ = 218201664.

The previous prime is 654604939. The next prime is 654605011. The reversal of 654605004 is 400506456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×654605004² = 857015422523680032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27275197 + ... + 27275220.

Almost surely, 2^654605004 is an apocalyptic number.

It is an amenable number.

654605004 is an abundant number, since it is smaller than the sum of its proper divisors (872806700).

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

654605004 is a wasteful number, since it uses less digits than its factorization.

654605004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54550424 (or 54550422 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 654605004 is about 25585.2497349547. The cubic root of 654605004 is about 868.2799521006.

The spelling of 654605004 in words is "six hundred fifty-four million, six hundred five thousand, four".