65280269 has 2 divisors, whose sum is σ = 65280270. Its totient is φ = 65280268.

The previous prime is 65280263. The next prime is 65280283. The reversal of 65280269 is 96208256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 15760900 = 7037^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 65280269 - 2⁸ = 65280013 is a prime.

It is a super-2 number, since 2×65280269² = 8523027041424722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65280263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32640134 + 32640135.

It is an arithmetic number, because the mean of its divisors is an integer number (32640135).

Almost surely, 2^65280269 is an apocalyptic number.

It is an amenable number.

65280269 is a deficient number, since it is larger than the sum of its proper divisors (1).

65280269 is an equidigital number, since it uses as much as digits as its factorization.

65280269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 65280269 is about 8079.6205975281. The cubic root of 65280269 is about 402.6496368901.

The spelling of 65280269 in words is "sixty-five million, two hundred eighty thousand, two hundred sixty-nine".