65373481 has 2 divisors, whose sum is σ = 65373482. Its totient is φ = 65373480.

The previous prime is 65373467. The next prime is 65373533. The reversal of 65373481 is 18437356.

65373481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 24413481 = 6400^2 + 4941^2 .

It is a cyclic number.

It is not a de Polignac number, because 65373481 - 2⁷ = 65373353 is a prime.

It is a super-2 number, since 2×65373481² = 8547384036114722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65373481.

It is not a weakly prime, because it can be changed into another prime (65373421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32686740 + 32686741.

It is an arithmetic number, because the mean of its divisors is an integer number (32686741).

Almost surely, 2^65373481 is an apocalyptic number.

It is an amenable number.

65373481 is a deficient number, since it is larger than the sum of its proper divisors (1).

65373481 is an equidigital number, since it uses as much as digits as its factorization.

65373481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 65373481 is about 8085.3868800448. The cubic root of 65373481 is about 402.8411900660.

It can be divided in two parts, 65373 and 481, that multiplied together give a palindrome (31444413).

The spelling of 65373481 in words is "sixty-five million, three hundred seventy-three thousand, four hundred eighty-one".