1648059425 has 6 divisors (see below), whose sum is σ = 2043593718. Its totient is φ = 1318447520.

The previous prime is 1648059397. The next prime is 1648059443. The reversal of 1648059425 is 5249508461.

It can be written as a sum of positive squares in 3 ways, for example, as 212255761 + 1435803664 = 14569^2 + 37892^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1648059425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 32961164 + ... + 32961213.

It is an arithmetic number, because the mean of its divisors is an integer number (340598953).

Almost surely, 2^1648059425 is an apocalyptic number.

It is an amenable number.

1648059425 is a deficient number, since it is larger than the sum of its proper divisors (395534293).

1648059425 is an equidigital number, since it uses as much as digits as its factorization.

1648059425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65922387 (or 65922382 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1648059425 is about 40596.2981686754. The cubic root of 1648059425 is about 1181.2023139863.

The spelling of 1648059425 in words is "one billion, six hundred forty-eight million, fifty-nine thousand, four hundred twenty-five".