955321 has 4 divisors (see below), whose sum is σ = 971044. Its totient is φ = 939600.

The previous prime is 955319. The next prime is 955333. The reversal of 955321 is 123559.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123559 = 157 ⋅787.

It can be written as a sum of positive squares in 2 ways, for example, as 518400 + 436921 = 720^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 955321 - 2¹ = 955319 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (955391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7770 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (242761).

2⁹⁵⁵³²¹ is an apocalyptic number.

It is an amenable number.

955321 is a deficient number, since it is larger than the sum of its proper divisors (15723).

955321 is a wasteful number, since it uses less digits than its factorization.

955321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722.

The product of its digits is 1350, while the sum is 25.

The square root of 955321 is about 977.4052383735. The cubic root of 955321 is about 98.4879523516.

The spelling of 955321 in words is "nine hundred fifty-five thousand, three hundred twenty-one".