65485213 has 2 divisors, whose sum is σ = 65485214. Its totient is φ = 65485212.

The previous prime is 65485193. The next prime is 65485223. The reversal of 65485213 is 31258456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 9504889 = 7482^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 65485213 - 2⁹ = 65484701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65485223) 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, 32742606 + 32742607.

It is an arithmetic number, because the mean of its divisors is an integer number (32742607).

Almost surely, 2^65485213 is an apocalyptic number.

It is an amenable number.

65485213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65485213 is an equidigital number, since it uses as much as digits as its factorization.

65485213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 65485213 is about 8092.2934326432. The cubic root of 65485213 is about 403.0705625508.

The spelling of 65485213 in words is "sixty-five million, four hundred eighty-five thousand, two hundred thirteen".