959418197 has 2 divisors, whose sum is σ = 959418198. Its totient is φ = 959418196.

The previous prime is 959418169. The next prime is 959418199. The reversal of 959418197 is 791814959.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 663268516 + 296149681 = 25754^2 + 17209^2 .

It is a cyclic number.

It is not a de Polignac number, because 959418197 - 2⁸ = 959417941 is a prime.

Together with 959418199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959418199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479709098 + 479709099.

It is an arithmetic number, because the mean of its divisors is an integer number (479709099).

Almost surely, 2^959418197 is an apocalyptic number.

It is an amenable number.

959418197 is a deficient number, since it is larger than the sum of its proper divisors (1).

959418197 is an equidigital number, since it uses as much as digits as its factorization.

959418197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 53.

The square root of 959418197 is about 30974.4765411782. The cubic root of 959418197 is about 986.2855047958.

The spelling of 959418197 in words is "nine hundred fifty-nine million, four hundred eighteen thousand, one hundred ninety-seven".