959145197 has 2 divisors, whose sum is σ = 959145198. Its totient is φ = 959145196.

The previous prime is 959145193. The next prime is 959145211. The reversal of 959145197 is 791541959.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491331556 + 467813641 = 22166^2 + 21629^2 .

It is a cyclic number.

It is not a de Polignac number, because 959145197 - 2² = 959145193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959145193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479572598 + 479572599.

It is an arithmetic number, because the mean of its divisors is an integer number (479572599).

Almost surely, 2^959145197 is an apocalyptic number.

It is an amenable number.

959145197 is a deficient number, since it is larger than the sum of its proper divisors (1).

959145197 is an equidigital number, since it uses as much as digits as its factorization.

959145197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 50.

The square root of 959145197 is about 30970.0693735096. The cubic root of 959145197 is about 986.1919475801.

The spelling of 959145197 in words is "nine hundred fifty-nine million, one hundred forty-five thousand, one hundred ninety-seven".