830914287025 has 9 divisors (see below), whose sum is σ = 1030339367521. Its totient is φ = 664727783440.

The previous prime is 830914287023. The next prime is 830914287037. The reversal of 830914287025 is 520782419038.

The square root of 830914287025 is 911545.

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 91286766769 + 739627520256 = 302137^2 + 860016^2 .

It is not a de Polignac number, because 830914287025 - 2¹ = 830914287023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830914287025.

It is not an unprimeable number, because it can be changed into a prime (830914287023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4466571 + ... + 4648879.

Almost surely, 2^830914287025 is an apocalyptic number.

830914287025 is the 911545-th square number.

830914287025 is the 455773-rd centered octagonal number.

It is an amenable number.

830914287025 is a deficient number, since it is larger than the sum of its proper divisors (199425080496).

830914287025 is an frugal number, since it uses more digits than its factorization.

830914287025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364628 (or 182314 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 830914287025 by its sum of digits (49), we get a square (40714800064225 = 6380815²).

The spelling of 830914287025 in words is "eight hundred thirty billion, nine hundred fourteen million, two hundred eighty-seven thousand, twenty-five".