654424559 has 2 divisors, whose sum is σ = 654424560. Its totient is φ = 654424558.

The previous prime is 654424541. The next prime is 654424579. The reversal of 654424559 is 955424456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654424559 - 2²⁸ = 385989103 is a prime.

It is a super-3 number, since 3×654424559³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654424579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327212279 + 327212280.

It is an arithmetic number, because the mean of its divisors is an integer number (327212280).

Almost surely, 2^654424559 is an apocalyptic number.

654424559 is a deficient number, since it is larger than the sum of its proper divisors (1).

654424559 is an equidigital number, since it uses as much as digits as its factorization.

654424559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The square root of 654424559 is about 25581.7231436821. The cubic root of 654424559 is about 868.2001629283.

The spelling of 654424559 in words is "six hundred fifty-four million, four hundred twenty-four thousand, five hundred fifty-nine".