265463321 has 2 divisors, whose sum is σ = 265463322. Its totient is φ = 265463320.

The previous prime is 265463281. The next prime is 265463327. The reversal of 265463321 is 123364562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257955721 + 7507600 = 16061^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 265463321 - 2⁶ = 265463257 is a prime.

It is not a weakly prime, because it can be changed into another prime (265463327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132731660 + 132731661.

It is an arithmetic number, because the mean of its divisors is an integer number (132731661).

Almost surely, 2^265463321 is an apocalyptic number.

It is an amenable number.

265463321 is a deficient number, since it is larger than the sum of its proper divisors (1).

265463321 is an equidigital number, since it uses as much as digits as its factorization.

265463321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 265463321 is about 16293.0451727110. The cubic root of 265463321 is about 642.6899485316.

The spelling of 265463321 in words is "two hundred sixty-five million, four hundred sixty-three thousand, three hundred twenty-one".