984728752225 has 27 divisors (see below), whose sum is σ = 1276609569753. Its totient is φ = 753444241440.

The previous prime is 984728752219. The next prime is 984728752283. The reversal of 984728752225 is 522257827489.

The square root of 984728752225 is 992335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20027627361 + 964701124864 = 141519^2 + 982192^2 .

It is not a de Polignac number, because 984728752225 - 2²⁹ = 984191881313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 114114211 + ... + 114122839.

Almost surely, 2^984728752225 is an apocalyptic number.

984728752225 is the 992335-th square number.

984728752225 is the 496168-th centered octagonal number.

It is an amenable number.

984728752225 is a deficient number, since it is larger than the sum of its proper divisors (291880817528).

984728752225 is an frugal number, since it uses more digits than its factorization.

984728752225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314 (or 8657 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 61.

The spelling of 984728752225 in words is "nine hundred eighty-four billion, seven hundred twenty-eight million, seven hundred fifty-two thousand, two hundred twenty-five".