958132261 has 2 divisors, whose sum is σ = 958132262. Its totient is φ = 958132260.

The previous prime is 958132243. The next prime is 958132277. The reversal of 958132261 is 162231859.

958132261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516880225 + 441252036 = 22735^2 + 21006^2 .

It is an emirp because it is prime and its reverse (162231859) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-958132261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 958132261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (958133261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479066130 + 479066131.

It is an arithmetic number, because the mean of its divisors is an integer number (479066131).

Almost surely, 2^958132261 is an apocalyptic number.

It is an amenable number.

958132261 is a deficient number, since it is larger than the sum of its proper divisors (1).

958132261 is an equidigital number, since it uses as much as digits as its factorization.

958132261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 958132261 is about 30953.7115868194. The cubic root of 958132261 is about 985.8446587672.

The spelling of 958132261 in words is "nine hundred fifty-eight million, one hundred thirty-two thousand, two hundred sixty-one".