265450063 has 2 divisors, whose sum is σ = 265450064. Its totient is φ = 265450062.

The previous prime is 265450049. The next prime is 265450091. The reversal of 265450063 is 360054562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265450063 - 2²¹ = 263352911 is a prime.

It is equal to p_14477152 and since 265450063 and 14477152 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265450093) 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, 132725031 + 132725032.

It is an arithmetic number, because the mean of its divisors is an integer number (132725032).

Almost surely, 2^265450063 is an apocalyptic number.

265450063 is a deficient number, since it is larger than the sum of its proper divisors (1).

265450063 is an equidigital number, since it uses as much as digits as its factorization.

265450063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 265450063 is about 16292.6383069164. The cubic root of 265450063 is about 642.6792490934.

The spelling of 265450063 in words is "two hundred sixty-five million, four hundred fifty thousand, sixty-three".