965231 has 4 divisors (see below), whose sum is σ = 967200. Its totient is φ = 963264.

The previous prime is 965227. The next prime is 965233. The reversal of 965231 is 132569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132569 = 43 ⋅3083.

It is a cyclic number.

It is not a de Polignac number, because 965231 - 2² = 965227 is a prime.

It is a super-2 number, since 2×965231² = 1863341766722, which contains 22 as substring.

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 965231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965233) 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, 410 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (241800).

2⁹⁶⁵²³¹ is an apocalyptic number.

965231 is a deficient number, since it is larger than the sum of its proper divisors (1969).

965231 is a wasteful number, since it uses less digits than its factorization.

965231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its digits is 1620, while the sum is 26.

The square root of 965231 is about 982.4617040883. The cubic root of 965231 is about 98.8273356697.

The spelling of 965231 in words is "nine hundred sixty-five thousand, two hundred thirty-one".