65758013 has 2 divisors, whose sum is σ = 65758014. Its totient is φ = 65758012.

The previous prime is 65757997. The next prime is 65758019. The reversal of 65758013 is 31085756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 29300569 = 6038^2 + 5413^2 .

It is a cyclic number.

It is not a de Polignac number, because 65758013 - 2⁴ = 65757997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65758019) 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, 32879006 + 32879007.

It is an arithmetic number, because the mean of its divisors is an integer number (32879007).

Almost surely, 2^65758013 is an apocalyptic number.

It is an amenable number.

65758013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65758013 is an equidigital number, since it uses as much as digits as its factorization.

65758013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 65758013 is about 8109.1314578073. The cubic root of 65758013 is about 403.6294944006.

The spelling of 65758013 in words is "sixty-five million, seven hundred fifty-eight thousand, thirteen".