8505425 has 12 divisors (see below), whose sum is σ = 10676400. Its totient is φ = 6720720.

The previous prime is 8505403. The next prime is 8505433. The reversal of 8505425 is 5245058.

It is not a de Polignac number, because 8505425 - 2⁶ = 8505361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (889700).

Almost surely, 2^8505425 is an apocalyptic number.

It is an amenable number.

8505425 is a deficient number, since it is larger than the sum of its proper divisors (2170975).

8505425 is a wasteful number, since it uses less digits than its factorization.

8505425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 8505425 is about 2916.4061788441. The cubic root of 8505425 is about 204.1261634680.

The spelling of 8505425 in words is "eight million, five hundred five thousand, four hundred twenty-five".