654284971 has 2 divisors, whose sum is σ = 654284972. Its totient is φ = 654284970.

The previous prime is 654284959. The next prime is 654284999. The reversal of 654284971 is 179482456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654284971 - 2⁷ = 654284843 is a prime.

It is not a weakly prime, because it can be changed into another prime (654284671) 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, 327142485 + 327142486.

It is an arithmetic number, because the mean of its divisors is an integer number (327142486).

Almost surely, 2^654284971 is an apocalyptic number.

654284971 is a deficient number, since it is larger than the sum of its proper divisors (1).

654284971 is an equidigital number, since it uses as much as digits as its factorization.

654284971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 654284971 is about 25578.9947222325. The cubic root of 654284971 is about 868.1384298427.

The spelling of 654284971 in words is "six hundred fifty-four million, two hundred eighty-four thousand, nine hundred seventy-one".