806273453 has 8 divisors (see below), whose sum is σ = 810579000. Its totient is φ = 801976320.

The previous prime is 806273449. The next prime is 806273483. The reversal of 806273453 is 354372608.

It can be written as a sum of positive squares in 4 ways, for example, as 39980329 + 766293124 = 6323^2 + 27682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 806273453 - 2² = 806273449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806273483) 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 in 7 ways as a sum of consecutive naturals, for example, 291923 + ... + 294671.

It is an arithmetic number, because the mean of its divisors is an integer number (101322375).

Almost surely, 2^806273453 is an apocalyptic number.

It is an amenable number.

806273453 is a deficient number, since it is larger than the sum of its proper divisors (4305547).

806273453 is a wasteful number, since it uses less digits than its factorization.

806273453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 806273453 is about 28394.9547103002. The cubic root of 806273453 is about 930.7380171006.

The spelling of 806273453 in words is "eight hundred six million, two hundred seventy-three thousand, four hundred fifty-three".