65043413 has 2 divisors, whose sum is σ = 65043414. Its totient is φ = 65043412.

The previous prime is 65043397. The next prime is 65043421. The reversal of 65043413 is 31434056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 128164 = 8057^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 65043413 - 2⁴ = 65043397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65043443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32521706 + 32521707.

It is an arithmetic number, because the mean of its divisors is an integer number (32521707).

Almost surely, 2^65043413 is an apocalyptic number.

It is an amenable number.

65043413 is a deficient number, since it is larger than the sum of its proper divisors (1).

65043413 is an equidigital number, since it uses as much as digits as its factorization.

65043413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 65043413 is about 8064.9496588633. The cubic root of 65043413 is about 402.1620696646.

Adding to 65043413 its reverse (31434056), we get a palindrome (96477469).

It can be divided in two parts, 65043 and 413, that added together give a palindrome (65456).

The spelling of 65043413 in words is "sixty-five million, forty-three thousand, four hundred thirteen".