265133013 has 4 divisors (see below), whose sum is σ = 353510688. Its totient is φ = 176755340.

The previous prime is 265132999. The next prime is 265133039. The reversal of 265133013 is 310331562.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 265133013 - 2⁴ = 265132997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265133093) 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 in 3 ways as a sum of consecutive naturals, for example, 44188833 + ... + 44188838.

It is an arithmetic number, because the mean of its divisors is an integer number (88377672).

Almost surely, 2^265133013 is an apocalyptic number.

It is an amenable number.

265133013 is a deficient number, since it is larger than the sum of its proper divisors (88377675).

265133013 is an equidigital number, since it uses as much as digits as its factorization.

265133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88377674.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 265133013 is about 16282.9055453872. The cubic root of 265133013 is about 642.4232779944.

Adding to 265133013 its reverse (310331562), we get a palindrome (575464575).

The spelling of 265133013 in words is "two hundred sixty-five million, one hundred thirty-three thousand, thirteen".