654363361 has 2 divisors, whose sum is σ = 654363362. Its totient is φ = 654363360.

The previous prime is 654363349. The next prime is 654363383. The reversal of 654363361 is 163363456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526243600 + 128119761 = 22940^2 + 11319^2 .

It is a cyclic number.

It is not a de Polignac number, because 654363361 - 2⁵ = 654363329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654363361.

It is not a weakly prime, because it can be changed into another prime (654363341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327181680 + 327181681.

It is an arithmetic number, because the mean of its divisors is an integer number (327181681).

Almost surely, 2^654363361 is an apocalyptic number.

It is an amenable number.

654363361 is a deficient number, since it is larger than the sum of its proper divisors (1).

654363361 is an equidigital number, since it uses as much as digits as its factorization.

654363361 is an evil number, because the sum of its binary digits is even.

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

The square root of 654363361 is about 25580.5269883167. The cubic root of 654363361 is about 868.1730990653.

The spelling of 654363361 in words is "six hundred fifty-four million, three hundred sixty-three thousand, three hundred sixty-one".