8573165425 has 24 divisors (see below), whose sum is σ = 11843920512. Its totient is φ = 6102360000.

The previous prime is 8573165407. The next prime is 8573165443. The reversal of 8573165425 is 5245613758.

It is an interprime number because it is at equal distance from previous prime (8573165407) and next prime (8573165443).

It is not a de Polignac number, because 8573165425 - 2¹⁹ = 8572641137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318726 + ... + 344575.

It is an arithmetic number, because the mean of its divisors is an integer number (493496688).

Almost surely, 2^8573165425 is an apocalyptic number.

It is an amenable number.

8573165425 is a deficient number, since it is larger than the sum of its proper divisors (3270755087).

8573165425 is a wasteful number, since it uses less digits than its factorization.

8573165425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663369 (or 663364 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 8573165425 is about 92591.3895834812. The cubic root of 8573165425 is about 2046.6664381791. Note that the first 3 decimals are identical.

The spelling of 8573165425 in words is "eight billion, five hundred seventy-three million, one hundred sixty-five thousand, four hundred twenty-five".