65441269 has 2 divisors, whose sum is σ = 65441270. Its totient is φ = 65441268.

The previous prime is 65441261. The next prime is 65441281. The reversal of 65441269 is 96214456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58339044 + 7102225 = 7638^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 65441269 - 2³ = 65441261 is a prime.

It is a super-2 number, since 2×65441269² = 8565119376660722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65441261) 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 as a sum of consecutive naturals, namely, 32720634 + 32720635.

It is an arithmetic number, because the mean of its divisors is an integer number (32720635).

Almost surely, 2^65441269 is an apocalyptic number.

It is an amenable number.

65441269 is a deficient number, since it is larger than the sum of its proper divisors (1).

65441269 is an equidigital number, since it uses as much as digits as its factorization.

65441269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 65441269 is about 8089.5778010969. The cubic root of 65441269 is about 402.9803819056.

It can be divided in two parts, 654412 and 69, that added together give a square (654481 = 809²).

The spelling of 65441269 in words is "sixty-five million, four hundred forty-one thousand, two hundred sixty-nine".