654623245 has 16 divisors (see below), whose sum is σ = 828144000. Its totient is φ = 495384768.

The previous prime is 654623219. The next prime is 654623257. The reversal of 654623245 is 542326456.

It is a cyclic number.

It is not a de Polignac number, because 654623245 - 2¹¹ = 654621197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62496 + ... + 72214.

It is an arithmetic number, because the mean of its divisors is an integer number (51759000).

Almost surely, 2^654623245 is an apocalyptic number.

It is an amenable number.

654623245 is a deficient number, since it is larger than the sum of its proper divisors (173520755).

654623245 is a wasteful number, since it uses less digits than its factorization.

654623245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452.

The product of its digits is 172800, while the sum is 37.

The square root of 654623245 is about 25585.6062073972. The cubic root of 654623245 is about 868.2880170901.

It can be divided in two parts, 6546 and 23245, that added together give a cube (29791 = 31³).

The spelling of 654623245 in words is "six hundred fifty-four million, six hundred twenty-three thousand, two hundred forty-five".