654051125657 has 2 divisors, whose sum is σ = 654051125658. Its totient is φ = 654051125656.

The previous prime is 654051125593. The next prime is 654051125671. The reversal of 654051125657 is 756521150456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450159141721 + 203891983936 = 670939^2 + 451544^2 .

It is a cyclic number.

It is not a de Polignac number, because 654051125657 - 2⁶ = 654051125593 is a prime.

It is not a weakly prime, because it can be changed into another prime (654051125677) 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, 327025562828 + 327025562829.

It is an arithmetic number, because the mean of its divisors is an integer number (327025562829).

Almost surely, 2^654051125657 is an apocalyptic number.

It is an amenable number.

654051125657 is a deficient number, since it is larger than the sum of its proper divisors (1).

654051125657 is an equidigital number, since it uses as much as digits as its factorization.

654051125657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 654051125657 in words is "six hundred fifty-four billion, fifty-one million, one hundred twenty-five thousand, six hundred fifty-seven".