8251358725 has 12 divisors (see below), whose sum is σ = 10296859684. Its totient is φ = 6559038720.

The previous prime is 8251358693. The next prime is 8251358747. The reversal of 8251358725 is 5278531528.

It can be written as a sum of positive squares in 6 ways, for example, as 611375076 + 7639983649 = 24726^2 + 87407^2 .

It is not a de Polignac number, because 8251358725 - 2⁵ = 8251358693 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1047204 + ... + 1055053.

Almost surely, 2^8251358725 is an apocalyptic number.

It is an amenable number.

8251358725 is a deficient number, since it is larger than the sum of its proper divisors (2045500959).

8251358725 is a wasteful number, since it uses less digits than its factorization.

8251358725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102424 (or 2102419 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 8251358725 is about 90836.9898499504. The cubic root of 8251358725 is about 2020.7309321784.

The spelling of 8251358725 in words is "eight billion, two hundred fifty-one million, three hundred fifty-eight thousand, seven hundred twenty-five".