654242 has 8 divisors (see below), whose sum is σ = 985116. Its totient is φ = 325872.

The previous prime is 654233. The next prime is 654257. The reversal of 654242 is 242456.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 28561 = 791^2 + 169^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654242.

It is an unprimeable number.

654242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 1184.

2⁶⁵⁴²⁴² is an apocalyptic number.

654242 is a deficient number, since it is larger than the sum of its proper divisors (330874).

654242 is a wasteful number, since it uses less digits than its factorization.

654242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its digits is 1920, while the sum is 23.

The square root of 654242 is about 808.8522732860. The cubic root of 654242 is about 86.8119424060.

Adding to 654242 its reverse (242456), we get a palindrome (896698).

The spelling of 654242 in words is "six hundred fifty-four thousand, two hundred forty-two".