648382951 has 2 divisors, whose sum is σ = 648382952. Its totient is φ = 648382950.

The previous prime is 648382927. The next prime is 648382963. The reversal of 648382951 is 159283846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648382951 - 2⁹ = 648382439 is a prime.

It is a super-2 number, since 2×648382951² = 840800902294936802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648382051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324191475 + 324191476.

It is an arithmetic number, because the mean of its divisors is an integer number (324191476).

Almost surely, 2^648382951 is an apocalyptic number.

648382951 is a deficient number, since it is larger than the sum of its proper divisors (1).

648382951 is an equidigital number, since it uses as much as digits as its factorization.

648382951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 648382951 is about 25463.3648797640. The cubic root of 648382951 is about 865.5201749469.

The spelling of 648382951 in words is "six hundred forty-eight million, three hundred eighty-two thousand, nine hundred fifty-one".