798131 has 2 divisors, whose sum is σ = 798132. Its totient is φ = 798130.

The previous prime is 798121. The next prime is 798139. The reversal of 798131 is 131897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 798131 - 2⁶ = 798067 is a prime.

It is a super-2 number, since 2×798131² = 1274026186322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 798094 and 798103.

It is not a weakly prime, because it can be changed into another prime (798139) 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, 399065 + 399066.

It is an arithmetic number, because the mean of its divisors is an integer number (399066).

2⁷⁹⁸¹³¹ is an apocalyptic number.

798131 is a deficient number, since it is larger than the sum of its proper divisors (1).

798131 is an equidigital number, since it uses as much as digits as its factorization.

798131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 798131 is about 893.3817772934. The cubic root of 798131 is about 92.7594275550.

It can be divided in two parts, 798 and 131, that added together give a palindrome (929).

The spelling of 798131 in words is "seven hundred ninety-eight thousand, one hundred thirty-one".