654080617 has 2 divisors, whose sum is σ = 654080618. Its totient is φ = 654080616.

The previous prime is 654080597. The next prime is 654080633. The reversal of 654080617 is 716080456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611622361 + 42458256 = 24731^2 + 6516^2 .

It is a cyclic number.

It is not a de Polignac number, because 654080617 - 2¹¹ = 654078569 is a prime.

It is not a weakly prime, because it can be changed into another prime (654080017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327040308 + 327040309.

It is an arithmetic number, because the mean of its divisors is an integer number (327040309).

Almost surely, 2^654080617 is an apocalyptic number.

It is an amenable number.

654080617 is a deficient number, since it is larger than the sum of its proper divisors (1).

654080617 is an equidigital number, since it uses as much as digits as its factorization.

654080617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 654080617 is about 25574.9998435973. Note that the first 3 decimals coincide. The cubic root of 654080617 is about 868.0480380197.

The spelling of 654080617 in words is "six hundred fifty-four million, eighty thousand, six hundred seventeen".