43395481 has 2 divisors, whose sum is σ = 43395482. Its totient is φ = 43395480.

The previous prime is 43395463. The next prime is 43395529. The reversal of 43395481 is 18459334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 15210000 = 5309^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 43395481 - 2⁷ = 43395353 is a prime.

It is a super-2 number, since 2×43395481² = 3766335542442722, 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 43395481.

It is not a weakly prime, because it can be changed into another prime (43395881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21697740 + 21697741.

It is an arithmetic number, because the mean of its divisors is an integer number (21697741).

Almost surely, 2^43395481 is an apocalyptic number.

It is an amenable number.

43395481 is a deficient number, since it is larger than the sum of its proper divisors (1).

43395481 is an equidigital number, since it uses as much as digits as its factorization.

43395481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 43395481 is about 6587.5246489102. The cubic root of 43395481 is about 351.4105822150.

The spelling of 43395481 in words is "forty-three million, three hundred ninety-five thousand, four hundred eighty-one".