965444231 has 2 divisors, whose sum is σ = 965444232. Its totient is φ = 965444230.

The previous prime is 965444209. The next prime is 965444239. The reversal of 965444231 is 132444569.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965444231 - 2²⁶ = 898335367 is a prime.

It is a super-2 number, since 2×965444231² = 1864165126342362722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965444239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482722115 + 482722116.

It is an arithmetic number, because the mean of its divisors is an integer number (482722116).

Almost surely, 2^965444231 is an apocalyptic number.

965444231 is a deficient number, since it is larger than the sum of its proper divisors (1).

965444231 is an equidigital number, since it uses as much as digits as its factorization.

965444231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 965444231 is about 31071.5984622613. The cubic root of 965444231 is about 988.3461251153.

The spelling of 965444231 in words is "nine hundred sixty-five million, four hundred forty-four thousand, two hundred thirty-one".