958261 has 2 divisors, whose sum is σ = 958262. Its totient is φ = 958260.

The previous prime is 958259. The next prime is 958289. The reversal of 958261 is 162859.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 269361 = 830^2 + 519^2 .

It is an emirp because it is prime and its reverse (162859) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 958261 - 2¹ = 958259 is a prime.

Together with 958259, it forms a pair of twin primes.

958261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (958361) 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, 479130 + 479131.

It is an arithmetic number, because the mean of its divisors is an integer number (479131).

2⁹⁵⁸²⁶¹ is an apocalyptic number.

It is an amenable number.

958261 is a deficient number, since it is larger than the sum of its proper divisors (1).

958261 is an equidigital number, since it uses as much as digits as its factorization.

958261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 958261 is about 978.9080651420. The cubic root of 958261 is about 98.5888810978.

The spelling of 958261 in words is "nine hundred fifty-eight thousand, two hundred sixty-one".