654663133 has 2 divisors, whose sum is σ = 654663134. Its totient is φ = 654663132.

The previous prime is 654663091. The next prime is 654663137. The reversal of 654663133 is 331366456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450373284 + 204289849 = 21222^2 + 14293^2 .

It is a cyclic number.

It is not a de Polignac number, because 654663133 - 2²⁵ = 621108701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654663092 and 654663101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654663137) 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, 327331566 + 327331567.

It is an arithmetic number, because the mean of its divisors is an integer number (327331567).

Almost surely, 2^654663133 is an apocalyptic number.

It is an amenable number.

654663133 is a deficient number, since it is larger than the sum of its proper divisors (1).

654663133 is an equidigital number, since it uses as much as digits as its factorization.

654663133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 654663133 is about 25586.3856963034. The cubic root of 654663133 is about 868.3056524599.

The spelling of 654663133 in words is "six hundred fifty-four million, six hundred sixty-three thousand, one hundred thirty-three".