945311 has 4 divisors (see below), whose sum is σ = 965472. Its totient is φ = 925152.

The previous prime is 945293. The next prime is 945331. The reversal of 945311 is 113549.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113549 = 271 ⋅419.

It is a cyclic number.

It is not a de Polignac number, because 945311 - 2¹⁴ = 928927 is a prime.

It is a super-2 number, since 2×945311² = 1787225773442, 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 (945331) 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, 10010 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (241368).

2⁹⁴⁵³¹¹ is an apocalyptic number.

945311 is a deficient number, since it is larger than the sum of its proper divisors (20161).

945311 is a wasteful number, since it uses less digits than its factorization.

945311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20160.

The product of its digits is 540, while the sum is 23.

The square root of 945311 is about 972.2710527420. The cubic root of 945311 is about 98.1427532215.

The spelling of 945311 in words is "nine hundred forty-five thousand, three hundred eleven".