648617351 has 2 divisors, whose sum is σ = 648617352. Its totient is φ = 648617350.

The previous prime is 648617297. The next prime is 648617353. The reversal of 648617351 is 153716846.

648617351 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 is a cyclic number.

It is not a de Polignac number, because 648617351 - 2²² = 644423047 is a prime.

Together with 648617353, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 648617299 and 648617308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648617353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324308675 + 324308676.

It is an arithmetic number, because the mean of its divisors is an integer number (324308676).

Almost surely, 2^648617351 is an apocalyptic number.

648617351 is a deficient number, since it is larger than the sum of its proper divisors (1).

648617351 is an equidigital number, since it uses as much as digits as its factorization.

648617351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 648617351 is about 25467.9671548398. The cubic root of 648617351 is about 865.6244618172.

The spelling of 648617351 in words is "six hundred forty-eight million, six hundred seventeen thousand, three hundred fifty-one".