265548379 has 2 divisors, whose sum is σ = 265548380. Its totient is φ = 265548378.

The previous prime is 265548341. The next prime is 265548401. The reversal of 265548379 is 973845562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265548379 - 2¹¹ = 265546331 is a prime.

It is not a weakly prime, because it can be changed into another prime (265548979) 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, 132774189 + 132774190.

It is an arithmetic number, because the mean of its divisors is an integer number (132774190).

Almost surely, 2^265548379 is an apocalyptic number.

265548379 is a deficient number, since it is larger than the sum of its proper divisors (1).

265548379 is an equidigital number, since it uses as much as digits as its factorization.

265548379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 265548379 is about 16295.6552184931. The cubic root of 265548379 is about 642.7585833546.

It can be divided in two parts, 2655483 and 79, that added together give a palindrome (2655562).

The spelling of 265548379 in words is "two hundred sixty-five million, five hundred forty-eight thousand, three hundred seventy-nine".