35643481 has 2 divisors, whose sum is σ = 35643482. Its totient is φ = 35643480.

The previous prime is 35643467. The next prime is 35643527. The reversal of 35643481 is 18434653.

It is a happy number.

35643481 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., 18627856 + 17015625 = 4316^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 35643481 - 2¹¹ = 35641433 is a prime.

It is a super-2 number, since 2×35643481² = 2540915475594722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35643281) 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, 17821740 + 17821741.

It is an arithmetic number, because the mean of its divisors is an integer number (17821741).

Almost surely, 2^35643481 is an apocalyptic number.

It is an amenable number.

35643481 is a deficient number, since it is larger than the sum of its proper divisors (1).

35643481 is an equidigital number, since it uses as much as digits as its factorization.

35643481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 35643481 is about 5970.2161602408. The cubic root of 35643481 is about 329.0991069451.

The spelling of 35643481 in words is "thirty-five million, six hundred forty-three thousand, four hundred eighty-one".