654056747 has 16 divisors (see below), whose sum is σ = 681653760. Its totient is φ = 627140448.

The previous prime is 654056719. The next prime is 654056783. The reversal of 654056747 is 747650456.

It is a cyclic number.

It is not a de Polignac number, because 654056747 - 2²² = 649862443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 654056698 and 654056707.

It is not an unprimeable number, because it can be changed into a prime (654056707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720668 + ... + 721574.

It is an arithmetic number, because the mean of its divisors is an integer number (42603360).

Almost surely, 2^654056747 is an apocalyptic number.

654056747 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

654056747 is a deficient number, since it is larger than the sum of its proper divisors (27597013).

654056747 is a wasteful number, since it uses less digits than its factorization.

654056747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 654056747 is about 25574.5331726700. The cubic root of 654056747 is about 868.0374783841.

The spelling of 654056747 in words is "six hundred fifty-four million, fifty-six thousand, seven hundred forty-seven".