965255261 has 4 divisors (see below), whose sum is σ = 967405500. Its totient is φ = 963105024.

The previous prime is 965255243. The next prime is 965255267. The reversal of 965255261 is 162552569.

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

It can be written as a sum of positive squares in 2 ways, for example, as 788205625 + 177049636 = 28075^2 + 13306^2 .

It is a cyclic number.

It is not a de Polignac number, because 965255261 - 2⁶ = 965255197 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 (965255267) 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, 1074446 + ... + 1075343.

It is an arithmetic number, because the mean of its divisors is an integer number (241851375).

Almost surely, 2^965255261 is an apocalyptic number.

It is an amenable number.

965255261 is a deficient number, since it is larger than the sum of its proper divisors (2150239).

965255261 is a wasteful number, since it uses less digits than its factorization.

965255261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150238.

The product of its digits is 162000, while the sum is 41.

The square root of 965255261 is about 31068.5574335211. The cubic root of 965255261 is about 988.2816366832.

The spelling of 965255261 in words is "nine hundred sixty-five million, two hundred fifty-five thousand, two hundred sixty-one".