8581201 has 2 divisors, whose sum is σ = 8581202. Its totient is φ = 8581200.

The previous prime is 8581193. The next prime is 8581211. The reversal of 8581201 is 1021858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6507601 + 2073600 = 2551^2 + 1440^2 .

It is a cyclic number.

It is not a de Polignac number, because 8581201 - 2³ = 8581193 is a prime.

It is not a weakly prime, because it can be changed into another prime (8581211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4290600 + 4290601.

It is an arithmetic number, because the mean of its divisors is an integer number (4290601).

Almost surely, 2^8581201 is an apocalyptic number.

It is an amenable number.

8581201 is a deficient number, since it is larger than the sum of its proper divisors (1).

8581201 is an equidigital number, since it uses as much as digits as its factorization.

8581201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 8581201 is about 2929.3687033216. The cubic root of 8581201 is about 204.7305681105.

The spelling of 8581201 in words is "eight million, five hundred eighty-one thousand, two hundred one".