65413169 has 2 divisors, whose sum is σ = 65413170. Its totient is φ = 65413168.

The previous prime is 65413133. The next prime is 65413171. The reversal of 65413169 is 96131456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 1221025 = 8012^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 65413169 - 2⁸ = 65412913 is a prime.

It is a super-2 number, since 2×65413169² = 8557765357245122, which contains 22 as substring.

Together with 65413171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65413109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32706584 + 32706585.

It is an arithmetic number, because the mean of its divisors is an integer number (32706585).

Almost surely, 2^65413169 is an apocalyptic number.

It is an amenable number.

65413169 is a deficient number, since it is larger than the sum of its proper divisors (1).

65413169 is an equidigital number, since it uses as much as digits as its factorization.

65413169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 65413169 is about 8087.8408119844. The cubic root of 65413169 is about 402.9226947098.

The spelling of 65413169 in words is "sixty-five million, four hundred thirteen thousand, one hundred sixty-nine".