971959 has 2 divisors, whose sum is σ = 971960. Its totient is φ = 971958.

The previous prime is 971951. The next prime is 971977. The reversal of 971959 is 959179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971959 - 2³ = 971951 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 (971951) 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, 485979 + 485980.

It is an arithmetic number, because the mean of its divisors is an integer number (485980).

2⁹⁷¹⁹⁵⁹ is an apocalyptic number.

971959 is a deficient number, since it is larger than the sum of its proper divisors (1).

971959 is an equidigital number, since it uses as much as digits as its factorization.

971959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 40.

The square root of 971959 is about 985.8798101189. The cubic root of 971959 is about 99.0564246590.

The spelling of 971959 in words is "nine hundred seventy-one thousand, nine hundred fifty-nine".