804264361 has 2 divisors, whose sum is σ = 804264362. Its totient is φ = 804264360.

The previous prime is 804264359. The next prime is 804264367. The reversal of 804264361 is 163462408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796311961 + 7952400 = 28219^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 804264361 - 2¹ = 804264359 is a prime.

Together with 804264359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (804264367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402132180 + 402132181.

It is an arithmetic number, because the mean of its divisors is an integer number (402132181).

Almost surely, 2^804264361 is an apocalyptic number.

It is an amenable number.

804264361 is a deficient number, since it is larger than the sum of its proper divisors (1).

804264361 is an equidigital number, since it uses as much as digits as its factorization.

804264361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 804264361 is about 28359.5550211917. Note that the first 3 decimals coincide. The cubic root of 804264361 is about 929.9642954651.

The spelling of 804264361 in words is "eight hundred four million, two hundred sixty-four thousand, three hundred sixty-one".