654080633 has 2 divisors, whose sum is σ = 654080634. Its totient is φ = 654080632.

The previous prime is 654080617. The next prime is 654080639. The reversal of 654080633 is 336080456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648822784 + 5257849 = 25472^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 654080633 - 2⁴ = 654080617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654080593 and 654080602.

It is not a weakly prime, because it can be changed into another prime (654080639) 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, 327040316 + 327040317.

It is an arithmetic number, because the mean of its divisors is an integer number (327040317).

Almost surely, 2^654080633 is an apocalyptic number.

It is an amenable number.

654080633 is a deficient number, since it is larger than the sum of its proper divisors (1).

654080633 is an equidigital number, since it uses as much as digits as its factorization.

654080633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 654080633 is about 25575.0001564027. Note that the first 3 decimals coincide. The cubic root of 654080633 is about 868.0480450977.

The spelling of 654080633 in words is "six hundred fifty-four million, eighty thousand, six hundred thirty-three".