265163233 has 2 divisors, whose sum is σ = 265163234. Its totient is φ = 265163232.

The previous prime is 265163219. The next prime is 265163291. The reversal of 265163233 is 332361562.

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., 160959969 + 104203264 = 12687^2 + 10208^2 .

It is a cyclic number.

It is not a de Polignac number, because 265163233 - 2¹⁷ = 265032161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265163195 and 265163204.

It is not a weakly prime, because it can be changed into another prime (265163033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132581616 + 132581617.

It is an arithmetic number, because the mean of its divisors is an integer number (132581617).

Almost surely, 2^265163233 is an apocalyptic number.

It is an amenable number.

265163233 is a deficient number, since it is larger than the sum of its proper divisors (1).

265163233 is an equidigital number, since it uses as much as digits as its factorization.

265163233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 265163233 is about 16283.8334860069. The cubic root of 265163233 is about 642.4476849812.

The spelling of 265163233 in words is "two hundred sixty-five million, one hundred sixty-three thousand, two hundred thirty-three".