654342241 has 4 divisors (see below), whose sum is σ = 747819712. Its totient is φ = 560864772.

The previous prime is 654342217. The next prime is 654342251. The reversal of 654342241 is 142243456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 654342241 - 2⁷ = 654342113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654342251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46738725 + ... + 46738738.

It is an arithmetic number, because the mean of its divisors is an integer number (186954928).

Almost surely, 2^654342241 is an apocalyptic number.

It is an amenable number.

654342241 is a deficient number, since it is larger than the sum of its proper divisors (93477471).

654342241 is an equidigital number, since it uses as much as digits as its factorization.

654342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93477470.

The product of its digits is 23040, while the sum is 31.

The square root of 654342241 is about 25580.1141709727. The cubic root of 654342241 is about 868.1637586823.

Adding to 654342241 its reverse (142243456), we get a palindrome (796585697).

It can be divided in two parts, 6543 and 42241, that added together give a palindrome (48784).

The spelling of 654342241 in words is "six hundred fifty-four million, three hundred forty-two thousand, two hundred forty-one".