2605254269 has 4 divisors (see below), whose sum is σ = 2608405344. Its totient is φ = 2602103196.

The previous prime is 2605254241. The next prime is 2605254271. The reversal of 2605254269 is 9624525062.

2605254269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2605254269 - 2²⁰ = 2604205693 is a prime.

It is a super-2 number, since 2×2605254269² = 13574699612285448722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605254299) 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, 1574297 + ... + 1575950.

It is an arithmetic number, because the mean of its divisors is an integer number (652101336).

Almost surely, 2^2605254269 is an apocalyptic number.

It is an amenable number.

2605254269 is a deficient number, since it is larger than the sum of its proper divisors (3151075).

2605254269 is an equidigital number, since it uses as much as digits as its factorization.

2605254269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151074.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2605254269 is about 51041.6914786334. The cubic root of 2605254269 is about 1375.9945235171.

The spelling of 2605254269 in words is "two billion, six hundred five million, two hundred fifty-four thousand, two hundred sixty-nine".