802271651 has 2 divisors, whose sum is σ = 802271652. Its totient is φ = 802271650.

The previous prime is 802271621. The next prime is 802271677. The reversal of 802271651 is 156172208.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802271651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (802271611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401135825 + 401135826.

It is an arithmetic number, because the mean of its divisors is an integer number (401135826).

Almost surely, 2^802271651 is an apocalyptic number.

802271651 is a deficient number, since it is larger than the sum of its proper divisors (1).

802271651 is an equidigital number, since it uses as much as digits as its factorization.

802271651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 802271651 is about 28324.4002760870. The cubic root of 802271651 is about 929.1956088429.

The spelling of 802271651 in words is "eight hundred two million, two hundred seventy-one thousand, six hundred fifty-one".