265485419 has 2 divisors, whose sum is σ = 265485420. Its totient is φ = 265485418.

The previous prime is 265485403. The next prime is 265485439. The reversal of 265485419 is 914584562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265485419 - 2⁴ = 265485403 is a prime.

It is a super-2 number, since 2×265485419² = 140965015403211122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_14478983 and since 265485419 and 14478983 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265485419.

It is not a weakly prime, because it can be changed into another prime (265485439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132742709 + 132742710.

It is an arithmetic number, because the mean of its divisors is an integer number (132742710).

Almost surely, 2^265485419 is an apocalyptic number.

265485419 is a deficient number, since it is larger than the sum of its proper divisors (1).

265485419 is an equidigital number, since it uses as much as digits as its factorization.

265485419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 265485419 is about 16293.7233007069. The cubic root of 265485419 is about 642.7077812129.

The spelling of 265485419 in words is "two hundred sixty-five million, four hundred eighty-five thousand, four hundred nineteen".