814804201 has 2 divisors, whose sum is σ = 814804202. Its totient is φ = 814804200.

The previous prime is 814804163. The next prime is 814804273. The reversal of 814804201 is 102408418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 568345600 + 246458601 = 23840^2 + 15699^2 .

It is a cyclic number.

It is not a de Polignac number, because 814804201 - 2²⁵ = 781249769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 814804201.

It is not a weakly prime, because it can be changed into another prime (814804301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407402100 + 407402101.

It is an arithmetic number, because the mean of its divisors is an integer number (407402101).

Almost surely, 2^814804201 is an apocalyptic number.

It is an amenable number.

814804201 is a deficient number, since it is larger than the sum of its proper divisors (1).

814804201 is an equidigital number, since it uses as much as digits as its factorization.

814804201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 814804201 is about 28544.7753713355. The cubic root of 814804201 is about 934.0090547018.

The spelling of 814804201 in words is "eight hundred fourteen million, eight hundred four thousand, two hundred one".