654564601 has 2 divisors, whose sum is σ = 654564602. Its totient is φ = 654564600.

The previous prime is 654564569. The next prime is 654564623. The reversal of 654564601 is 106465456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374035600 + 280529001 = 19340^2 + 16749^2 .

It is a cyclic number.

It is not a de Polignac number, because 654564601 - 2⁵ = 654564569 is a prime.

It is not a weakly prime, because it can be changed into another prime (654564641) 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, 327282300 + 327282301.

It is an arithmetic number, because the mean of its divisors is an integer number (327282301).

Almost surely, 2^654564601 is an apocalyptic number.

It is an amenable number.

654564601 is a deficient number, since it is larger than the sum of its proper divisors (1).

654564601 is an equidigital number, since it uses as much as digits as its factorization.

654564601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 654564601 is about 25584.4601467375. The cubic root of 654564601 is about 868.2620879757.

The spelling of 654564601 in words is "six hundred fifty-four million, five hundred sixty-four thousand, six hundred one".