65432617 has 2 divisors, whose sum is σ = 65432618. Its totient is φ = 65432616.

The previous prime is 65432557. The next prime is 65432623. The reversal of 65432617 is 71623456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 21196816 = 6651^2 + 4604^2 .

It is a cyclic number.

It is not a de Polignac number, because 65432617 - 2⁷ = 65432489 is a prime.

It is equal to p_3864580 and since 65432617 and 3864580 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65432117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32716308 + 32716309.

It is an arithmetic number, because the mean of its divisors is an integer number (32716309).

Almost surely, 2^65432617 is an apocalyptic number.

It is an amenable number.

65432617 is a deficient number, since it is larger than the sum of its proper divisors (1).

65432617 is an equidigital number, since it uses as much as digits as its factorization.

65432617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 65432617 is about 8089.0430212727. The cubic root of 65432617 is about 402.9626217572.

It can be divided in two parts, 65432 and 617, that added together give a square (66049 = 257²).

The spelling of 65432617 in words is "sixty-five million, four hundred thirty-two thousand, six hundred seventeen".