8525438 has 8 divisors (see below), whose sum is σ = 13085688. Its totient is φ = 4163544.

The previous prime is 8525431. The next prime is 8525459. The reversal of 8525438 is 8345258.

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8525398 and 8525407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49481 + ... + 49652.

It is an arithmetic number, because the mean of its divisors is an integer number (1635711).

Almost surely, 2^8525438 is an apocalyptic number.

8525438 is a deficient number, since it is larger than the sum of its proper divisors (4560250).

8525438 is a wasteful number, since it uses less digits than its factorization.

8525438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99178.

The product of its digits is 38400, while the sum is 35.

The square root of 8525438 is about 2919.8352693260. The cubic root of 8525438 is about 204.2861388952.

The spelling of 8525438 in words is "eight million, five hundred twenty-five thousand, four hundred thirty-eight".