995959 has 2 divisors, whose sum is σ = 995960. Its totient is φ = 995958.

The previous prime is 995957. The next prime is 995983. The reversal of 995959 is 959599.

995959 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995959 - 2¹ = 995957 is a prime.

Together with 995957, it forms a pair of twin primes.

995959 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497979 + 497980.

It is an arithmetic number, because the mean of its divisors is an integer number (497980).

2⁹⁹⁵⁹⁵⁹ is an apocalyptic number.

995959 is a deficient number, since it is larger than the sum of its proper divisors (1).

995959 is an equidigital number, since it uses as much as digits as its factorization.

995959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164025, while the sum is 46.

The square root of 995959 is about 997.9774546552. The cubic root of 995959 is about 99.8651181507.

The spelling of 995959 in words is "nine hundred ninety-five thousand, nine hundred fifty-nine".