881305 has 4 divisors (see below), whose sum is σ = 1057572. Its totient is φ = 705040.

The previous prime is 881273. The next prime is 881311. The reversal of 881305 is 503188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 467856 = 643^2 + 684^2 .

It is not a de Polignac number, because 881305 - 2⁵ = 881273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 881305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88126 + ... + 88135.

It is an arithmetic number, because the mean of its divisors is an integer number (264393).

2⁸⁸¹³⁰⁵ is an apocalyptic number.

It is an amenable number.

881305 is a deficient number, since it is larger than the sum of its proper divisors (176267).

881305 is a wasteful number, since it uses less digits than its factorization.

881305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176266.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 881305 is about 938.7784616191. The cubic root of 881305 is about 95.8757434639.

The spelling of 881305 in words is "eight hundred eighty-one thousand, three hundred five".