728518853 has 2 divisors, whose sum is σ = 728518854. Its totient is φ = 728518852.

The previous prime is 728518807. The next prime is 728518871. The reversal of 728518853 is 358815827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720492964 + 8025889 = 26842^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 728518853 - 2¹² = 728514757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728518798 and 728518807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728511853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364259426 + 364259427.

It is an arithmetic number, because the mean of its divisors is an integer number (364259427).

Almost surely, 2^728518853 is an apocalyptic number.

It is an amenable number.

728518853 is a deficient number, since it is larger than the sum of its proper divisors (1).

728518853 is an equidigital number, since it uses as much as digits as its factorization.

728518853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 47.

The square root of 728518853 is about 26991.0883996922. The cubic root of 728518853 is about 899.8019535421.

The spelling of 728518853 in words is "seven hundred twenty-eight million, five hundred eighteen thousand, eight hundred fifty-three".