654285243 has 4 divisors (see below), whose sum is σ = 872380328. Its totient is φ = 436190160.

The previous prime is 654285227. The next prime is 654285259. The reversal of 654285243 is 342582456.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (654285227) and next prime (654285259).

It is not a de Polignac number, because 654285243 - 2⁴ = 654285227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654285263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109047538 + ... + 109047543.

It is an arithmetic number, because the mean of its divisors is an integer number (218095082).

Almost surely, 2^654285243 is an apocalyptic number.

654285243 is a deficient number, since it is larger than the sum of its proper divisors (218095085).

654285243 is a wasteful number, since it uses less digits than its factorization.

654285243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218095084.

The product of its digits is 230400, while the sum is 39.

The square root of 654285243 is about 25579.0000390946. Note that the first 4 decimals coincide. The cubic root of 654285243 is about 868.1385501438.

The spelling of 654285243 in words is "six hundred fifty-four million, two hundred eighty-five thousand, two hundred forty-three".