65652089 has 2 divisors, whose sum is σ = 65652090. Its totient is φ = 65652088.

The previous prime is 65652077. The next prime is 65652127. The reversal of 65652089 is 98025656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 4687225 = 7808^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 65652089 - 2¹⁶ = 65586553 is a prime.

It is equal to p_3876764 and since 65652089 and 3876764 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 (65654089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32826044 + 32826045.

It is an arithmetic number, because the mean of its divisors is an integer number (32826045).

Almost surely, 2^65652089 is an apocalyptic number.

It is an amenable number.

65652089 is a deficient number, since it is larger than the sum of its proper divisors (1).

65652089 is an equidigital number, since it uses as much as digits as its factorization.

65652089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 65652089 is about 8102.5976698834. The cubic root of 65652089 is about 403.4126537680.

The spelling of 65652089 in words is "sixty-five million, six hundred fifty-two thousand, eighty-nine".