648283547 has 2 divisors, whose sum is σ = 648283548. Its totient is φ = 648283546.

The previous prime is 648283541. The next prime is 648283561. The reversal of 648283547 is 745382846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648283547 - 2¹⁸ = 648021403 is a prime.

It is not a weakly prime, because it can be changed into another prime (648283541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324141773 + 324141774.

It is an arithmetic number, because the mean of its divisors is an integer number (324141774).

Almost surely, 2^648283547 is an apocalyptic number.

648283547 is a deficient number, since it is larger than the sum of its proper divisors (1).

648283547 is an equidigital number, since it uses as much as digits as its factorization.

648283547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 47.

The square root of 648283547 is about 25461.4129026651. The cubic root of 648283547 is about 865.4759415380.

The spelling of 648283547 in words is "six hundred forty-eight million, two hundred eighty-three thousand, five hundred forty-seven".