654425657 has 2 divisors, whose sum is σ = 654425658. Its totient is φ = 654425656.

The previous prime is 654425599. The next prime is 654425663. The reversal of 654425657 is 756524456.

654425657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592630336 + 61795321 = 24344^2 + 7861^2 .

It is a cyclic number.

It is not a de Polignac number, because 654425657 - 2¹⁸ = 654163513 is a prime.

It is not a weakly prime, because it can be changed into another prime (654425857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327212828 + 327212829.

It is an arithmetic number, because the mean of its divisors is an integer number (327212829).

Almost surely, 2^654425657 is an apocalyptic number.

It is an amenable number.

654425657 is a deficient number, since it is larger than the sum of its proper divisors (1).

654425657 is an equidigital number, since it uses as much as digits as its factorization.

654425657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 44.

The square root of 654425657 is about 25581.7446043072. The cubic root of 654425657 is about 868.2006484863.

The spelling of 654425657 in words is "six hundred fifty-four million, four hundred twenty-five thousand, six hundred fifty-seven".