8525405 has 8 divisors (see below), whose sum is σ = 11692032. Its totient is φ = 5845968.

The previous prime is 8525401. The next prime is 8525411. The reversal of 8525405 is 5045258.

8525405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8525405 - 2² = 8525401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121757 + ... + 121826.

It is an arithmetic number, because the mean of its divisors is an integer number (1461504).

Almost surely, 2^8525405 is an apocalyptic number.

It is an amenable number.

8525405 is a deficient number, since it is larger than the sum of its proper divisors (3166627).

8525405 is a wasteful number, since it uses less digits than its factorization.

8525405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243595.

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

The square root of 8525405 is about 2919.8296183168. The cubic root of 8525405 is about 204.2858753134.

The spelling of 8525405 in words is "eight million, five hundred twenty-five thousand, four hundred five".