6864951025 has 27 divisors (see below), whose sum is σ = 8668935201. Its totient is φ = 5392866240.

The previous prime is 6864951019. The next prime is 6864951061. The reversal of 6864951025 is 5201594686.

The square root of 6864951025 is 82855.

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 37564641 + 6827386384 = 6129^2 + 82628^2 .

It is not a de Polignac number, because 6864951025 - 2⁵ = 6864950993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 30241962 + ... + 30242188.

Almost surely, 2^6864951025 is an apocalyptic number.

6864951025 is the 82855-th square number.

6864951025 is the 41428-th centered octagonal number.

It is an amenable number.

6864951025 is a deficient number, since it is larger than the sum of its proper divisors (1803984176).

6864951025 is an frugal number, since it uses more digits than its factorization.

6864951025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The cubic root of 6864951025 is about 1900.5493356184.

The spelling of 6864951025 in words is "six billion, eight hundred sixty-four million, nine hundred fifty-one thousand, twenty-five".