648292063 has 2 divisors, whose sum is σ = 648292064. Its totient is φ = 648292062.

The previous prime is 648292003. The next prime is 648292081. The reversal of 648292063 is 360292846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648292063 - 2²⁹ = 111421151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648292003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324146031 + 324146032.

It is an arithmetic number, because the mean of its divisors is an integer number (324146032).

Almost surely, 2^648292063 is an apocalyptic number.

648292063 is a deficient number, since it is larger than the sum of its proper divisors (1).

648292063 is an equidigital number, since it uses as much as digits as its factorization.

648292063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 648292063 is about 25461.5801355690. The cubic root of 648292063 is about 865.4797312177.

The spelling of 648292063 in words is "six hundred forty-eight million, two hundred ninety-two thousand, sixty-three".