4648681 has 2 divisors, whose sum is σ = 4648682. Its totient is φ = 4648680.

The previous prime is 4648663. The next prime is 4648739. The reversal of 4648681 is 1868464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 2277081 = 1540^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4648681 - 2⁹ = 4648169 is a prime.

It is a super-2 number, since 2×4648681² = 43220470079522, which contains 22 as substring.

4648681 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4648681.

It is not a weakly prime, because it can be changed into another prime (4648181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324340 + 2324341.

It is an arithmetic number, because the mean of its divisors is an integer number (2324341).

Almost surely, 2^4648681 is an apocalyptic number.

It is an amenable number.

4648681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4648681 is an equidigital number, since it uses as much as digits as its factorization.

4648681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 4648681 is about 2156.0800077919. The cubic root of 4648681 is about 166.8949702332.

It can be divided in two parts, 4648 and 681, that added together give a square (5329 = 73²).

The spelling of 4648681 in words is "four million, six hundred forty-eight thousand, six hundred eighty-one".