65122069 has 2 divisors, whose sum is σ = 65122070. Its totient is φ = 65122068.

The previous prime is 65122067. The next prime is 65122097. The reversal of 65122069 is 96022156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 10923025 = 7362^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 65122069 - 2¹ = 65122067 is a prime.

It is a super-2 number, since 2×65122069² = 8481767741681522, which contains 22 as substring.

Together with 65122067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65122069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65122067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32561034 + 32561035.

It is an arithmetic number, because the mean of its divisors is an integer number (32561035).

Almost surely, 2^65122069 is an apocalyptic number.

It is an amenable number.

65122069 is a deficient number, since it is larger than the sum of its proper divisors (1).

65122069 is an equidigital number, since it uses as much as digits as its factorization.

65122069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 65122069 is about 8069.8245953676. The cubic root of 65122069 is about 402.3241138337.

The spelling of 65122069 in words is "sixty-five million, one hundred twenty-two thousand, sixty-nine".