8572397 has 2 divisors, whose sum is σ = 8572398. Its totient is φ = 8572396.

The previous prime is 8572387. The next prime is 8572411. The reversal of 8572397 is 7932758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 3031081 = 2354^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 8572397 - 2⁸ = 8572141 is a prime.

It is equal to p₅₇₅₆₉₉ and since 8572397 and 575699 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8572367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286198 + 4286199.

It is an arithmetic number, because the mean of its divisors is an integer number (4286199).

Almost surely, 2^8572397 is an apocalyptic number.

It is an amenable number.

8572397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8572397 is an equidigital number, since it uses as much as digits as its factorization.

8572397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 8572397 is about 2927.8656048391. The cubic root of 8572397 is about 204.6605287812.

The spelling of 8572397 in words is "eight million, five hundred seventy-two thousand, three hundred ninety-seven".