4981729 has 2 divisors, whose sum is σ = 4981730. Its totient is φ = 4981728.

The previous prime is 4981727. The next prime is 4981747. The reversal of 4981729 is 9271894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4941729 + 40000 = 2223^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981729 - 2¹ = 4981727 is a prime.

Together with 4981727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4981691 and 4981700.

It is not a weakly prime, because it can be changed into another prime (4981727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490864 + 2490865.

It is an arithmetic number, because the mean of its divisors is an integer number (2490865).

Almost surely, 2^4981729 is an apocalyptic number.

It is an amenable number.

4981729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981729 is an equidigital number, since it uses as much as digits as its factorization.

4981729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 4981729 is about 2231.9787185365. The cubic root of 4981729 is about 170.7890539744.

The spelling of 4981729 in words is "four million, nine hundred eighty-one thousand, seven hundred twenty-nine".