955309 has 2 divisors, whose sum is σ = 955310. Its totient is φ = 955308.

The previous prime is 955307. The next prime is 955313. The reversal of 955309 is 903559.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 299209 = 810^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 955309 - 2¹ = 955307 is a prime.

Together with 955307, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (955307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477654 + 477655.

It is an arithmetic number, because the mean of its divisors is an integer number (477655).

2⁹⁵⁵³⁰⁹ is an apocalyptic number.

It is an amenable number.

955309 is a deficient number, since it is larger than the sum of its proper divisors (1).

955309 is an equidigital number, since it uses as much as digits as its factorization.

955309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 955309 is about 977.3990996517. The cubic root of 955309 is about 98.4875399735.

The spelling of 955309 in words is "nine hundred fifty-five thousand, three hundred nine".