654430242 has 16 divisors (see below), whose sum is σ = 1331045280. Its totient is φ = 214445952.

The previous prime is 654430241. The next prime is 654430267. The reversal of 654430242 is 242034456.

It is not an unprimeable number, because it can be changed into a prime (654430241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923983 + ... + 924690.

It is an arithmetic number, because the mean of its divisors is an integer number (83190330).

Almost surely, 2^654430242 is an apocalyptic number.

654430242 is an abundant number, since it is smaller than the sum of its proper divisors (676615038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654430242 is a wasteful number, since it uses less digits than its factorization.

654430242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848737.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 654430242 is about 25581.8342188358. The cubic root of 654430242 is about 868.2026760610.

Adding to 654430242 its reverse (242034456), we get a palindrome (896464698).

The spelling of 654430242 in words is "six hundred fifty-four million, four hundred thirty thousand, two hundred forty-two".