265405363 has 2 divisors, whose sum is σ = 265405364. Its totient is φ = 265405362.

The previous prime is 265405351. The next prime is 265405367. The reversal of 265405363 is 363504562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265405363 - 2⁹ = 265404851 is a prime.

It is not a weakly prime, because it can be changed into another prime (265405367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132702681 + 132702682.

It is an arithmetic number, because the mean of its divisors is an integer number (132702682).

Almost surely, 2^265405363 is an apocalyptic number.

265405363 is a deficient number, since it is larger than the sum of its proper divisors (1).

265405363 is an equidigital number, since it uses as much as digits as its factorization.

265405363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 265405363 is about 16291.2664639677. The cubic root of 265405363 is about 642.6431727849.

The spelling of 265405363 in words is "two hundred sixty-five million, four hundred five thousand, three hundred sixty-three".