265064133 has 4 divisors (see below), whose sum is σ = 353418848. Its totient is φ = 176709420.

The previous prime is 265064123. The next prime is 265064141. The reversal of 265064133 is 331460562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 265064133 - 2⁹ = 265063621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265064133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265064123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44177353 + ... + 44177358.

It is an arithmetic number, because the mean of its divisors is an integer number (88354712).

Almost surely, 2^265064133 is an apocalyptic number.

It is an amenable number.

265064133 is a deficient number, since it is larger than the sum of its proper divisors (88354715).

265064133 is an equidigital number, since it uses as much as digits as its factorization.

265064133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88354714.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 265064133 is about 16280.7903063703. The cubic root of 265064133 is about 642.3676405775.

The spelling of 265064133 in words is "two hundred sixty-five million, sixty-four thousand, one hundred thirty-three".