864494201 has 2 divisors, whose sum is σ = 864494202. Its totient is φ = 864494200.

The previous prime is 864494161. The next prime is 864494203. The reversal of 864494201 is 102494468.

864494201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475458025 + 389036176 = 21805^2 + 19724^2 .

It is a cyclic number.

It is not a de Polignac number, because 864494201 - 2¹⁰ = 864493177 is a prime.

Together with 864494203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (864494203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432247100 + 432247101.

It is an arithmetic number, because the mean of its divisors is an integer number (432247101).

Almost surely, 2^864494201 is an apocalyptic number.

It is an amenable number.

864494201 is a deficient number, since it is larger than the sum of its proper divisors (1).

864494201 is an equidigital number, since it uses as much as digits as its factorization.

864494201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 864494201 is about 29402.2822413499. The cubic root of 864494201 is about 952.6221926763.

The spelling of 864494201 in words is "eight hundred sixty-four million, four hundred ninety-four thousand, two hundred one".