648097 has 2 divisors, whose sum is σ = 648098. Its totient is φ = 648096.

The previous prime is 648079. The next prime is 648101. The reversal of 648097 is 790846.

648097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (648079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646416 + 1681 = 804^2 + 41^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648097 is a prime.

It is not a weakly prime, because it can be changed into another prime (648007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324048 + 324049.

It is an arithmetic number, because the mean of its divisors is an integer number (324049).

2⁶⁴⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

648097 is a deficient number, since it is larger than the sum of its proper divisors (1).

648097 is an equidigital number, since it uses as much as digits as its factorization.

648097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 648097 is about 805.0447192548. The cubic root of 648097 is about 86.5392918490.

The spelling of 648097 in words is "six hundred forty-eight thousand, ninety-seven".