654674099 has 2 divisors, whose sum is σ = 654674100. Its totient is φ = 654674098.

The previous prime is 654674057. The next prime is 654674149. The reversal of 654674099 is 990476456.

It is an a-pointer prime, because the next prime (654674149) can be obtained adding 654674099 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654674099 - 2⁸ = 654673843 is a prime.

It is not a weakly prime, because it can be changed into another prime (654644099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327337049 + 327337050.

It is an arithmetic number, because the mean of its divisors is an integer number (327337050).

Almost surely, 2^654674099 is an apocalyptic number.

654674099 is a deficient number, since it is larger than the sum of its proper divisors (1).

654674099 is an equidigital number, since it uses as much as digits as its factorization.

654674099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 654674099 is about 25586.5999890568. The cubic root of 654674099 is about 868.3105006463.

The spelling of 654674099 in words is "six hundred fifty-four million, six hundred seventy-four thousand, ninety-nine".