806253841 has 2 divisors, whose sum is σ = 806253842. Its totient is φ = 806253840.

The previous prime is 806253803. The next prime is 806253857. The reversal of 806253841 is 148352608.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 381069441 = 20620^2 + 19521^2 .

It is a cyclic number.

It is not a de Polignac number, because 806253841 - 2¹⁷ = 806122769 is a prime.

It is a super-2 number, since 2×806253841² = 1300090512254506562, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806253841.

It is not a weakly prime, because it can be changed into another prime (806253541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403126920 + 403126921.

It is an arithmetic number, because the mean of its divisors is an integer number (403126921).

Almost surely, 2^806253841 is an apocalyptic number.

It is an amenable number.

806253841 is a deficient number, since it is larger than the sum of its proper divisors (1).

806253841 is an equidigital number, since it uses as much as digits as its factorization.

806253841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 806253841 is about 28394.6093651594. The cubic root of 806253841 is about 930.7304705368.

The spelling of 806253841 in words is "eight hundred six million, two hundred fifty-three thousand, eight hundred forty-one".