702991 has 2 divisors, whose sum is σ = 702992. Its totient is φ = 702990.

The previous prime is 702983. The next prime is 703013. The reversal of 702991 is 199207.

702991 is nontrivially palindromic in base 3.

It is a weak prime.

It is an emirp because it is prime and its reverse (199207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 702991 - 2³ = 702983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (702391) 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, 351495 + 351496.

It is an arithmetic number, because the mean of its divisors is an integer number (351496).

2⁷⁰²⁹⁹¹ is an apocalyptic number.

702991 is a deficient number, since it is larger than the sum of its proper divisors (1).

702991 is an equidigital number, since it uses as much as digits as its factorization.

702991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 702991 is about 838.4455855928. The cubic root of 702991 is about 88.9166833798.

The spelling of 702991 in words is "seven hundred two thousand, nine hundred ninety-one".