8520143325 has 12 divisors (see below), whose sum is σ = 14086637088. Its totient is φ = 4544076400.

The previous prime is 8520143263. The next prime is 8520143327. The reversal of 8520143325 is 5233410258.

8520143325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8520143325 - 2⁷ = 8520143197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520143327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56800881 + ... + 56801030.

It is an arithmetic number, because the mean of its divisors is an integer number (1173886424).

Almost surely, 2^8520143325 is an apocalyptic number.

It is an amenable number.

8520143325 is a deficient number, since it is larger than the sum of its proper divisors (5566493763).

8520143325 is a wasteful number, since it uses less digits than its factorization.

8520143325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113601924 (or 113601919 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 8520143325 is about 92304.6224465492. The cubic root of 8520143325 is about 2042.4383988748.

The spelling of 8520143325 in words is "eight billion, five hundred twenty million, one hundred forty-three thousand, three hundred twenty-five".