805452413 has 2 divisors, whose sum is σ = 805452414. Its totient is φ = 805452412.

The previous prime is 805452407. The next prime is 805452463. The reversal of 805452413 is 314254508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724847929 + 80604484 = 26923^2 + 8978^2 .

It is a cyclic number.

It is not a de Polignac number, because 805452413 - 2⁴ = 805452397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805452413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805452463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402726206 + 402726207.

It is an arithmetic number, because the mean of its divisors is an integer number (402726207).

Almost surely, 2^805452413 is an apocalyptic number.

It is an amenable number.

805452413 is a deficient number, since it is larger than the sum of its proper divisors (1).

805452413 is an equidigital number, since it uses as much as digits as its factorization.

805452413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 805452413 is about 28380.4935298877. The cubic root of 805452413 is about 930.4219817757.

The spelling of 805452413 in words is "eight hundred five million, four hundred fifty-two thousand, four hundred thirteen".