654336073 has 2 divisors, whose sum is σ = 654336074. Its totient is φ = 654336072.

The previous prime is 654336049. The next prime is 654336107. The reversal of 654336073 is 370633456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611721289 + 42614784 = 24733^2 + 6528^2 .

It is a cyclic number.

It is not a de Polignac number, because 654336073 - 2¹⁷ = 654205001 is a prime.

It is a super-2 number, since 2×654336073² = 856311392858122658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654336173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327168036 + 327168037.

It is an arithmetic number, because the mean of its divisors is an integer number (327168037).

Almost surely, 2^654336073 is an apocalyptic number.

It is an amenable number.

654336073 is a deficient number, since it is larger than the sum of its proper divisors (1).

654336073 is an equidigital number, since it uses as much as digits as its factorization.

654336073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 37.

The square root of 654336073 is about 25579.9936082869. The cubic root of 654336073 is about 868.1610308280.

The spelling of 654336073 in words is "six hundred fifty-four million, three hundred thirty-six thousand, seventy-three".