959951 has 4 divisors (see below), whose sum is σ = 1001712. Its totient is φ = 918192.

The previous prime is 959947. The next prime is 959953. The reversal of 959951 is 159959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159959 = 103 ⋅1553.

It is a cyclic number.

It is not a de Polignac number, because 959951 - 2² = 959947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959953) 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 in 3 ways as a sum of consecutive naturals, for example, 20846 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (250428).

2⁹⁵⁹⁹⁵¹ is an apocalyptic number.

959951 is a deficient number, since it is larger than the sum of its proper divisors (41761).

959951 is a wasteful number, since it uses less digits than its factorization.

959951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41760.

The product of its digits is 18225, while the sum is 38.

The square root of 959951 is about 979.7708915864. The cubic root of 959951 is about 98.6468045503.

The spelling of 959951 in words is "nine hundred fifty-nine thousand, nine hundred fifty-one".