65238259 has 2 divisors, whose sum is σ = 65238260. Its totient is φ = 65238258.

The previous prime is 65238253. The next prime is 65238269. The reversal of 65238259 is 95283256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65238259 - 2⁵ = 65238227 is a prime.

It is not a weakly prime, because it can be changed into another prime (65238253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32619129 + 32619130.

It is an arithmetic number, because the mean of its divisors is an integer number (32619130).

Almost surely, 2^65238259 is an apocalyptic number.

65238259 is a deficient number, since it is larger than the sum of its proper divisors (1).

65238259 is an equidigital number, since it uses as much as digits as its factorization.

65238259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 65238259 is about 8077.0204283510. The cubic root of 65238259 is about 402.5632455944.

The spelling of 65238259 in words is "sixty-five million, two hundred thirty-eight thousand, two hundred fifty-nine".