965267489 has 2 divisors, whose sum is σ = 965267490. Its totient is φ = 965267488.

The previous prime is 965267423. The next prime is 965267533. The reversal of 965267489 is 984762569.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887563264 + 77704225 = 29792^2 + 8815^2 .

It is a cyclic number.

It is not a de Polignac number, because 965267489 - 2²⁴ = 948490273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (965267189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482633744 + 482633745.

It is an arithmetic number, because the mean of its divisors is an integer number (482633745).

Almost surely, 2^965267489 is an apocalyptic number.

It is an amenable number.

965267489 is a deficient number, since it is larger than the sum of its proper divisors (1).

965267489 is an equidigital number, since it uses as much as digits as its factorization.

965267489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The square root of 965267489 is about 31068.7542234960. The cubic root of 965267489 is about 988.2858098995.

The spelling of 965267489 in words is "nine hundred sixty-five million, two hundred sixty-seven thousand, four hundred eighty-nine".