961271 has 4 divisors (see below), whose sum is σ = 970200. Its totient is φ = 952344.

The previous prime is 961243. The next prime is 961273. The reversal of 961271 is 172169.

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

It is a cyclic number.

It is not a de Polignac number, because 961271 - 2¹⁴ = 944887 is a prime.

It is an Ulam number.

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 961271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961273) 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, 4301 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (242550).

2⁹⁶¹²⁷¹ is an apocalyptic number.

961271 is a deficient number, since it is larger than the sum of its proper divisors (8929).

961271 is a wasteful number, since it uses less digits than its factorization.

961271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its digits is 756, while the sum is 26.

The square root of 961271 is about 980.4442870454. Note that the first 3 decimals coincide. The cubic root of 961271 is about 98.6919992680.

The spelling of 961271 in words is "nine hundred sixty-one thousand, two hundred seventy-one".