801402673 has 2 divisors, whose sum is σ = 801402674. Its totient is φ = 801402672.

The previous prime is 801402671. The next prime is 801402677. The reversal of 801402673 is 376204108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707932449 + 93470224 = 26607^2 + 9668^2 .

It is a cyclic number.

It is not a de Polignac number, because 801402673 - 2¹ = 801402671 is a prime.

Together with 801402671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (801402671) 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, 400701336 + 400701337.

It is an arithmetic number, because the mean of its divisors is an integer number (400701337).

Almost surely, 2^801402673 is an apocalyptic number.

It is an amenable number.

801402673 is a deficient number, since it is larger than the sum of its proper divisors (1).

801402673 is an equidigital number, since it uses as much as digits as its factorization.

801402673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 801402673 is about 28309.0563777742. The cubic root of 801402673 is about 928.8600025489.

The spelling of 801402673 in words is "eight hundred one million, four hundred two thousand, six hundred seventy-three".