654285242 has 8 divisors (see below), whose sum is σ = 1056922356. Its totient is φ = 301977792.

The previous prime is 654285227. The next prime is 654285259. The reversal of 654285242 is 242582456.

It is a Cunningham number, because it is equal to 25579²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 654285241 + 1 = 25579^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 654285196 and 654285205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12582383 + ... + 12582434.

Almost surely, 2^654285242 is an apocalyptic number.

654285242 is a deficient number, since it is larger than the sum of its proper divisors (402637114).

654285242 is a wasteful number, since it uses less digits than its factorization.

654285242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164832.

The product of its digits is 153600, while the sum is 38.

The square root of 654285242 is about 25579.0000195473. Note that the first 4 decimals coincide. The cubic root of 654285242 is about 868.1385497015.

The spelling of 654285242 in words is "six hundred fifty-four million, two hundred eighty-five thousand, two hundred forty-two".