8201801 has 2 divisors, whose sum is σ = 8201802. Its totient is φ = 8201800.

The previous prime is 8201797. The next prime is 8201807. The reversal of 8201801 is 1081028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 22201 = 2860^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 8201801 - 2² = 8201797 is a prime.

It is an Ulam number.

It is equal to p₅₅₂₄₂₂ and since 8201801 and 552422 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8201807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100900 + 4100901.

It is an arithmetic number, because the mean of its divisors is an integer number (4100901).

Almost surely, 2^8201801 is an apocalyptic number.

It is an amenable number.

8201801 is a deficient number, since it is larger than the sum of its proper divisors (1).

8201801 is an equidigital number, since it uses as much as digits as its factorization.

8201801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8201801 is about 2863.8786636308. The cubic root of 8201801 is about 201.6677297336.

Adding to 8201801 its reverse (1081028), we get a palindrome (9282829).

The spelling of 8201801 in words is "eight million, two hundred one thousand, eight hundred one".