65625269 has 2 divisors, whose sum is σ = 65625270. Its totient is φ = 65625268.

The previous prime is 65625257. The next prime is 65625299. The reversal of 65625269 is 96252656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 25150225 = 6362^2 + 5015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65625269 is a prime.

It is a super-2 number, since 2×65625269² = 8613351862644722, 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 (65625239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32812634 + 32812635.

It is an arithmetic number, because the mean of its divisors is an integer number (32812635).

Almost surely, 2^65625269 is an apocalyptic number.

It is an amenable number.

65625269 is a deficient number, since it is larger than the sum of its proper divisors (1).

65625269 is an equidigital number, since it uses as much as digits as its factorization.

65625269 is an evil number, because the sum of its binary digits is even.

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

The square root of 65625269 is about 8100.9424760333. The cubic root of 65625269 is about 403.3577126321.

The spelling of 65625269 in words is "sixty-five million, six hundred twenty-five thousand, two hundred sixty-nine".