265013611 has 2 divisors, whose sum is σ = 265013612. Its totient is φ = 265013610.

The previous prime is 265013599. The next prime is 265013633. The reversal of 265013611 is 116310562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265013611 - 2²⁷ = 130795883 is a prime.

It is not a weakly prime, because it can be changed into another prime (265013911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132506805 + 132506806.

It is an arithmetic number, because the mean of its divisors is an integer number (132506806).

Almost surely, 2^265013611 is an apocalyptic number.

265013611 is a deficient number, since it is larger than the sum of its proper divisors (1).

265013611 is an equidigital number, since it uses as much as digits as its factorization.

265013611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 265013611 is about 16279.2386492735. The cubic root of 265013611 is about 642.3268255997.

It can be divided in two parts, 2650 and 13611, that added together give a palindrome (16261).

The spelling of 265013611 in words is "two hundred sixty-five million, thirteen thousand, six hundred eleven".