65235559 has 2 divisors, whose sum is σ = 65235560. Its totient is φ = 65235558.

The previous prime is 65235557. The next prime is 65235617. The reversal of 65235559 is 95553256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65235559 - 2¹ = 65235557 is a prime.

Together with 65235557, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65235553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32617779 + 32617780.

It is an arithmetic number, because the mean of its divisors is an integer number (32617780).

Almost surely, 2^65235559 is an apocalyptic number.

65235559 is a deficient number, since it is larger than the sum of its proper divisors (1).

65235559 is an equidigital number, since it uses as much as digits as its factorization.

65235559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 40.

The square root of 65235559 is about 8076.8532857791. The cubic root of 65235559 is about 402.5576919220.

The spelling of 65235559 in words is "sixty-five million, two hundred thirty-five thousand, five hundred fifty-nine".