265133045 has 4 divisors (see below), whose sum is σ = 318159660. Its totient is φ = 212106432.

The previous prime is 265133039. The next prime is 265133069. The reversal of 265133045 is 540331562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155176849 + 109956196 = 12457^2 + 10486^2 .

It is a cyclic number.

It is not a de Polignac number, because 265133045 - 2⁶ = 265132981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265132999 and 265133017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26513300 + ... + 26513309.

It is an arithmetic number, because the mean of its divisors is an integer number (79539915).

Almost surely, 2^265133045 is an apocalyptic number.

It is an amenable number.

265133045 is a deficient number, since it is larger than the sum of its proper divisors (53026615).

265133045 is an equidigital number, since it uses as much as digits as its factorization.

265133045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53026614.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 265133045 is about 16282.9065280127. The cubic root of 265133045 is about 642.4233038399.

The spelling of 265133045 in words is "two hundred sixty-five million, one hundred thirty-three thousand, forty-five".