945271 has 4 divisors (see below), whose sum is σ = 947232. Its totient is φ = 943312.

The previous prime is 945233. The next prime is 945289. The reversal of 945271 is 172549.

It is a happy number.

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 945271 - 2⁷ = 945143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945211) 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, 306 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (236808).

2⁹⁴⁵²⁷¹ is an apocalyptic number.

945271 is a deficient number, since it is larger than the sum of its proper divisors (1961).

945271 is a wasteful number, since it uses less digits than its factorization.

945271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its digits is 2520, while the sum is 28.

The square root of 945271 is about 972.2504821290. The cubic root of 945271 is about 98.1413689273.

The spelling of 945271 in words is "nine hundred forty-five thousand, two hundred seventy-one".