65468591 has 2 divisors, whose sum is σ = 65468592. Its totient is φ = 65468590.

The previous prime is 65468569. The next prime is 65468597. The reversal of 65468591 is 19586456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65468591 - 2⁶ = 65468527 is a prime.

It is a super-2 number, since 2×65468591² = 8572272815050562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65468597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32734295 + 32734296.

It is an arithmetic number, because the mean of its divisors is an integer number (32734296).

Almost surely, 2^65468591 is an apocalyptic number.

65468591 is a deficient number, since it is larger than the sum of its proper divisors (1).

65468591 is an equidigital number, since it uses as much as digits as its factorization.

65468591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 65468591 is about 8091.2663409382. The cubic root of 65468591 is about 403.0364560936.

The spelling of 65468591 in words is "sixty-five million, four hundred sixty-eight thousand, five hundred ninety-one".