8425523 has 4 divisors (see below), whose sum is σ = 8921160. Its totient is φ = 7929888.

The previous prime is 8425519. The next prime is 8425537. The reversal of 8425523 is 3255248.

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

It is not a de Polignac number, because 8425523 - 2² = 8425519 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁶ + 2⁵ + 5 + 5 + 2²³ + 3² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8425553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247793 + ... + 247826.

It is an arithmetic number, because the mean of its divisors is an integer number (2230290).

Almost surely, 2^8425523 is an apocalyptic number.

8425523 is a deficient number, since it is larger than the sum of its proper divisors (495637).

8425523 is a wasteful number, since it uses less digits than its factorization.

8425523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495636.

The product of its digits is 9600, while the sum is 29.

The square root of 8425523 is about 2902.6751454477. The cubic root of 8425523 is about 203.4849479859.

The spelling of 8425523 in words is "eight million, four hundred twenty-five thousand, five hundred twenty-three".