654998225 has 24 divisors (see below), whose sum is σ = 958176768. Its totient is φ = 434649600.

The previous prime is 654998203. The next prime is 654998237. The reversal of 654998225 is 522899456.

654998225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 654998225 - 2¹⁰ = 654997201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54944 + ... + 65793.

It is an arithmetic number, because the mean of its divisors is an integer number (39924032).

Almost surely, 2^654998225 is an apocalyptic number.

It is an amenable number.

654998225 is a deficient number, since it is larger than the sum of its proper divisors (303178543).

654998225 is a wasteful number, since it uses less digits than its factorization.

654998225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120785 (or 120780 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 654998225 is about 25592.9331066214. The cubic root of 654998225 is about 868.4537757892.

The spelling of 654998225 in words is "six hundred fifty-four million, nine hundred ninety-eight thousand, two hundred twenty-five".