265072055 has 4 divisors (see below), whose sum is σ = 318086472. Its totient is φ = 212057640.

The previous prime is 265072001. The next prime is 265072091. The reversal of 265072055 is 550270562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550270562 = 2 ⋅275135281.

It is not a de Polignac number, because 265072055 - 2⁸ = 265071799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 26507201 + ... + 26507210.

It is an arithmetic number, because the mean of its divisors is an integer number (79521618).

Almost surely, 2^265072055 is an apocalyptic number.

265072055 is a deficient number, since it is larger than the sum of its proper divisors (53014417).

265072055 is an equidigital number, since it uses as much as digits as its factorization.

265072055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53014416.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 265072055 is about 16281.0335974102. The cubic root of 265072055 is about 642.3740400171.

The spelling of 265072055 in words is "two hundred sixty-five million, seventy-two thousand, fifty-five".