654025652461 has 2 divisors, whose sum is σ = 654025652462. Its totient is φ = 654025652460.

The previous prime is 654025652447. The next prime is 654025652491. The reversal of 654025652461 is 164256520456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465695691561 + 188329960900 = 682419^2 + 433970^2 .

It is a cyclic number.

It is not a de Polignac number, because 654025652461 - 2⁹ = 654025651949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654025652491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327012826230 + 327012826231.

It is an arithmetic number, because the mean of its divisors is an integer number (327012826231).

Almost surely, 2^654025652461 is an apocalyptic number.

It is an amenable number.

654025652461 is a deficient number, since it is larger than the sum of its proper divisors (1).

654025652461 is an equidigital number, since it uses as much as digits as its factorization.

654025652461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 654025652461 in words is "six hundred fifty-four billion, twenty-five million, six hundred fifty-two thousand, four hundred sixty-one".