8526725321 has 4 divisors (see below), whose sum is σ = 8533873812. Its totient is φ = 8519576832.

The previous prime is 8526725303. The next prime is 8526725381. The reversal of 8526725321 is 1235276258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3716609296 + 4810116025 = 60964^2 + 69355^2 .

It is a cyclic number.

It is not a de Polignac number, because 8526725321 - 2⁶ = 8526725257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8526725381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572456 + ... + 3574841.

It is an arithmetic number, because the mean of its divisors is an integer number (2133468453).

Almost surely, 2^8526725321 is an apocalyptic number.

It is an amenable number.

8526725321 is a deficient number, since it is larger than the sum of its proper divisors (7148491).

8526725321 is a wasteful number, since it uses less digits than its factorization.

8526725321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148490.

The product of its digits is 201600, while the sum is 41.

The square root of 8526725321 is about 92340.2692274611. The cubic root of 8526725321 is about 2042.9642061917.

The spelling of 8526725321 in words is "eight billion, five hundred twenty-six million, seven hundred twenty-five thousand, three hundred twenty-one".