648000337 has 2 divisors, whose sum is σ = 648000338. Its totient is φ = 648000336.

The previous prime is 648000319. The next prime is 648000371. The reversal of 648000337 is 733000846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518746176 + 129254161 = 22776^2 + 11369^2 .

It is a cyclic number.

It is not a de Polignac number, because 648000337 - 2⁷ = 648000209 is a prime.

It is a super-2 number, since 2×648000337² = 839808873504227138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 648000299 and 648000308.

It is not a weakly prime, because it can be changed into another prime (648000307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324000168 + 324000169.

It is an arithmetic number, because the mean of its divisors is an integer number (324000169).

Almost surely, 2^648000337 is an apocalyptic number.

It is an amenable number.

648000337 is a deficient number, since it is larger than the sum of its proper divisors (1).

648000337 is an equidigital number, since it uses as much as digits as its factorization.

648000337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 648000337 is about 25455.8507420200. The cubic root of 648000337 is about 865.3498921962.

The spelling of 648000337 in words is "six hundred forty-eight million, three hundred thirty-seven", and thus it is an aban number.