8523397 has 2 divisors, whose sum is σ = 8523398. Its totient is φ = 8523396.

The previous prime is 8523391. The next prime is 8523413. The reversal of 8523397 is 7933258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 3568321 = 2226^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 8523397 - 2²³ = 134789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8523391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4261698 + 4261699.

It is an arithmetic number, because the mean of its divisors is an integer number (4261699).

Almost surely, 2^8523397 is an apocalyptic number.

It is an amenable number.

8523397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8523397 is an equidigital number, since it uses as much as digits as its factorization.

8523397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 8523397 is about 2919.4857423868. The cubic root of 8523397 is about 204.2698354792.

The spelling of 8523397 in words is "eight million, five hundred twenty-three thousand, three hundred ninety-seven".