648382927 has 2 divisors, whose sum is σ = 648382928. Its totient is φ = 648382926.

The previous prime is 648382913. The next prime is 648382951. The reversal of 648382927 is 729283846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648382927 - 2¹⁹ = 647858639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648382027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324191463 + 324191464.

It is an arithmetic number, because the mean of its divisors is an integer number (324191464).

Almost surely, 2^648382927 is an apocalyptic number.

648382927 is a deficient number, since it is larger than the sum of its proper divisors (1).

648382927 is an equidigital number, since it uses as much as digits as its factorization.

648382927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 648382927 is about 25463.3644084987. The cubic root of 648382927 is about 865.5201642678.

The spelling of 648382927 in words is "six hundred forty-eight million, three hundred eighty-two thousand, nine hundred twenty-seven".