654080459 has 2 divisors, whose sum is σ = 654080460. Its totient is φ = 654080458.

The previous prime is 654080411. The next prime is 654080461. The reversal of 654080459 is 954080456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654080459 - 2¹² = 654076363 is a prime.

Together with 654080461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (654080159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327040229 + 327040230.

It is an arithmetic number, because the mean of its divisors is an integer number (327040230).

Almost surely, 2^654080459 is an apocalyptic number.

654080459 is a deficient number, since it is larger than the sum of its proper divisors (1).

654080459 is an equidigital number, since it uses as much as digits as its factorization.

654080459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 654080459 is about 25574.9967546430. The cubic root of 654080459 is about 868.0479681243.

The spelling of 654080459 in words is "six hundred fifty-four million, eighty thousand, four hundred fifty-nine".