801959 has 2 divisors, whose sum is σ = 801960. Its totient is φ = 801958.

The previous prime is 801949. The next prime is 801973. The reversal of 801959 is 959108.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400979 + 400980.

It is an arithmetic number, because the mean of its divisors is an integer number (400980).

2⁸⁰¹⁹⁵⁹ is an apocalyptic number.

801959 is a deficient number, since it is larger than the sum of its proper divisors (1).

801959 is an equidigital number, since it uses as much as digits as its factorization.

801959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 801959 is about 895.5216356962. The cubic root of 801959 is about 92.9074888435.

The spelling of 801959 in words is "eight hundred one thousand, nine hundred fifty-nine".