8530397 has 4 divisors (see below), whose sum is σ = 8675040. Its totient is φ = 8385756.

The previous prime is 8530391. The next prime is 8530409. The reversal of 8530397 is 7930358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8530397 - 2¹⁰ = 8529373 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 (8530391) 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, 72233 + ... + 72350.

It is an arithmetic number, because the mean of its divisors is an integer number (2168760).

Almost surely, 2^8530397 is an apocalyptic number.

It is an amenable number.

8530397 is a deficient number, since it is larger than the sum of its proper divisors (144643).

8530397 is a wasteful number, since it uses less digits than its factorization.

8530397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144642.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 8530397 is about 2920.6843376168. The cubic root of 8530397 is about 204.3257403250.

The spelling of 8530397 in words is "eight million, five hundred thirty thousand, three hundred ninety-seven".