955381 has 4 divisors (see below), whose sum is σ = 1091872. Its totient is φ = 818892.

The previous prime is 955379. The next prime is 955391. The reversal of 955381 is 183559.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183559 = 19 ⋅9661.

It is a cyclic number.

It is not a de Polignac number, because 955381 - 2¹ = 955379 is a prime.

It is a super-2 number, since 2×955381² = 1825505710322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955391) 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 in 3 ways as a sum of consecutive naturals, for example, 68235 + ... + 68248.

It is an arithmetic number, because the mean of its divisors is an integer number (272968).

2⁹⁵⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

955381 is a deficient number, since it is larger than the sum of its proper divisors (136491).

955381 is a wasteful number, since it uses less digits than its factorization.

955381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136490.

The product of its digits is 5400, while the sum is 31.

The square root of 955381 is about 977.4359314042. The cubic root of 955381 is about 98.4900141903.

It can be divided in two parts, 95 and 5381, that added together give a square (5476 = 74²).

The spelling of 955381 in words is "nine hundred fifty-five thousand, three hundred eighty-one".