965565053 has 2 divisors, whose sum is σ = 965565054. Its totient is φ = 965565052.

The previous prime is 965565049. The next prime is 965565089. The reversal of 965565053 is 350565569.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865124569 + 100440484 = 29413^2 + 10022^2 .

It is a cyclic number.

It is not a de Polignac number, because 965565053 - 2² = 965565049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 965564995 and 965565013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965565023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482782526 + 482782527.

It is an arithmetic number, because the mean of its divisors is an integer number (482782527).

Almost surely, 2^965565053 is an apocalyptic number.

It is an amenable number.

965565053 is a deficient number, since it is larger than the sum of its proper divisors (1).

965565053 is an equidigital number, since it uses as much as digits as its factorization.

965565053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 607500, while the sum is 44.

The square root of 965565053 is about 31073.5426528743. The cubic root of 965565053 is about 988.3873527597.

The spelling of 965565053 in words is "nine hundred sixty-five million, five hundred sixty-five thousand, fifty-three".