65117029 has 2 divisors, whose sum is σ = 65117030. Its totient is φ = 65117028.

The previous prime is 65116991. The next prime is 65117051. The reversal of 65117029 is 92071156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61984129 + 3132900 = 7873^2 + 1770^2 .

It is a cyclic number.

It is not a de Polignac number, because 65117029 - 2⁷ = 65116901 is a prime.

It is a super-3 number, since 3×65117029³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65117729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32558514 + 32558515.

It is an arithmetic number, because the mean of its divisors is an integer number (32558515).

Almost surely, 2^65117029 is an apocalyptic number.

It is an amenable number.

65117029 is a deficient number, since it is larger than the sum of its proper divisors (1).

65117029 is an equidigital number, since it uses as much as digits as its factorization.

65117029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 65117029 is about 8069.5123148800. The cubic root of 65117029 is about 402.3137345266.

The spelling of 65117029 in words is "sixty-five million, one hundred seventeen thousand, twenty-nine".