654034393 has 2 divisors, whose sum is σ = 654034394. Its totient is φ = 654034392.

The previous prime is 654034357. The next prime is 654034427. The reversal of 654034393 is 393430456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482109849 + 171924544 = 21957^2 + 13112^2 .

It is a cyclic number.

It is not a de Polignac number, because 654034393 - 2¹⁷ = 653903321 is a prime.

It is not a weakly prime, because it can be changed into another prime (654034313) 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, 327017196 + 327017197.

It is an arithmetic number, because the mean of its divisors is an integer number (327017197).

Almost surely, 2^654034393 is an apocalyptic number.

It is an amenable number.

654034393 is a deficient number, since it is larger than the sum of its proper divisors (1).

654034393 is an equidigital number, since it uses as much as digits as its factorization.

654034393 is an odious number, because the sum of its binary digits is odd.

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

The square root of 654034393 is about 25574.0961326104. The cubic root of 654034393 is about 868.0275891653.

It can be divided in two parts, 65403 and 4393, that added together give a palindrome (69796).

The spelling of 654034393 in words is "six hundred fifty-four million, thirty-four thousand, three hundred ninety-three".