654244613 has 24 divisors (see below), whose sum is σ = 769618080. Its totient is φ = 550035360.

The previous prime is 654244603. The next prime is 654244621. The reversal of 654244613 is 316442456.

It is not a de Polignac number, because 654244613 - 2⁴ = 654244597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654244603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385595 + ... + 387287.

It is an arithmetic number, because the mean of its divisors is an integer number (32067420).

Almost surely, 2^654244613 is an apocalyptic number.

It is an amenable number.

654244613 is a deficient number, since it is larger than the sum of its proper divisors (115373467).

654244613 is a wasteful number, since it uses less digits than its factorization.

654244613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1766 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 654244613 is about 25578.2058205809. The cubic root of 654244613 is about 868.1205797963.

The spelling of 654244613 in words is "six hundred fifty-four million, two hundred forty-four thousand, six hundred thirteen".