1648925201 has 24 divisors (see below), whose sum is σ = 2087823360. Its totient is φ = 1274676480.

The previous prime is 1648925197. The next prime is 1648925207. The reversal of 1648925201 is 1025298461.

It is not a de Polignac number, because 1648925201 - 2² = 1648925197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1648925207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99905 + ... + 115233.

It is an arithmetic number, because the mean of its divisors is an integer number (86992640).

Almost surely, 2^1648925201 is an apocalyptic number.

1648925201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1648925201 is a deficient number, since it is larger than the sum of its proper divisors (438898159).

1648925201 is a wasteful number, since it uses less digits than its factorization.

1648925201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485 (or 15474 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1648925201 is about 40606.9600068757. The cubic root of 1648925201 is about 1181.4091183393.

The spelling of 1648925201 in words is "one billion, six hundred forty-eight million, nine hundred twenty-five thousand, two hundred one".