65256269 has 4 divisors (see below), whose sum is σ = 70275996. Its totient is φ = 60236544.

The previous prime is 65256259. The next prime is 65256277. The reversal of 65256269 is 96265256.

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 3822025 + 61434244 = 1955^2 + 7838^2 .

It is a cyclic number.

It is not a de Polignac number, because 65256269 - 2⁴ = 65256253 is a prime.

It is a super-2 number, since 2×65256269² = 8516761287600722, 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 (65256239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509844 + ... + 2509869.

It is an arithmetic number, because the mean of its divisors is an integer number (17568999).

Almost surely, 2^65256269 is an apocalyptic number.

It is an amenable number.

65256269 is a deficient number, since it is larger than the sum of its proper divisors (5019727).

65256269 is a wasteful number, since it uses less digits than its factorization.

65256269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019726.

The product of its digits is 194400, while the sum is 41.

The square root of 65256269 is about 8078.1352427401. The cubic root of 65256269 is about 402.6002867269.

The spelling of 65256269 in words is "sixty-five million, two hundred fifty-six thousand, two hundred sixty-nine".