65031959 has 2 divisors, whose sum is σ = 65031960. Its totient is φ = 65031958.

The previous prime is 65031881. The next prime is 65031961. The reversal of 65031959 is 95913056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65031959 is a prime.

Together with 65031961, 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 (65031979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32515979 + 32515980.

It is an arithmetic number, because the mean of its divisors is an integer number (32515980).

Almost surely, 2^65031959 is an apocalyptic number.

65031959 is a deficient number, since it is larger than the sum of its proper divisors (1).

65031959 is an equidigital number, since it uses as much as digits as its factorization.

65031959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 65031959 is about 8064.2395177723. The cubic root of 65031959 is about 402.1384616642.

The spelling of 65031959 in words is "sixty-five million, thirty-one thousand, nine hundred fifty-nine".