985530725 has 6 divisors (see below), whose sum is σ = 1222058130. Its totient is φ = 788424560.

The previous prime is 985530719. The next prime is 985530737. The reversal of 985530725 is 527035589.

985530725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3147076 + 982383649 = 1774^2 + 31343^2 .

It is not a de Polignac number, because 985530725 - 2¹⁶ = 985465189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19710590 + ... + 19710639.

It is an arithmetic number, because the mean of its divisors is an integer number (203676355).

Almost surely, 2^985530725 is an apocalyptic number.

It is an amenable number.

985530725 is a deficient number, since it is larger than the sum of its proper divisors (236527405).

985530725 is a wasteful number, since it uses less digits than its factorization.

985530725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39421239 (or 39421234 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 985530725 is about 31393.1636666329. The cubic root of 985530725 is about 995.1534573040.

The spelling of 985530725 in words is "nine hundred eighty-five million, five hundred thirty thousand, seven hundred twenty-five".