805606097 has 4 divisors (see below), whose sum is σ = 806463156. Its totient is φ = 804749040.

The previous prime is 805606079. The next prime is 805606129. The reversal of 805606097 is 790606508.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289816576 + 515789521 = 17024^2 + 22711^2 .

It is a cyclic number.

It is not a de Polignac number, because 805606097 - 2⁶ = 805606033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805606297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427118 + ... + 428999.

It is an arithmetic number, because the mean of its divisors is an integer number (201615789).

Almost surely, 2^805606097 is an apocalyptic number.

It is an amenable number.

805606097 is a deficient number, since it is larger than the sum of its proper divisors (857059).

805606097 is an equidigital number, since it uses as much as digits as its factorization.

805606097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857058.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 805606097 is about 28383.2009646551. The cubic root of 805606097 is about 930.4811542673.

The spelling of 805606097 in words is "eight hundred five million, six hundred six thousand, ninety-seven".