43401113 has 6 divisors (see below), whose sum is σ = 50487066. Its totient is φ = 37200912.

The previous prime is 43401109. The next prime is 43401131. The reversal of 43401113 is 31110434.

It can be written as a sum of positive squares in only one way, i.e., 43388569 + 12544 = 6587^2 + 112^2 .

It is not a de Polignac number, because 43401113 - 2² = 43401109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43401091 and 43401100.

It is not an unprimeable number, because it can be changed into a prime (43401913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442820 + ... + 442917.

It is an arithmetic number, because the mean of its divisors is an integer number (8414511).

Almost surely, 2^43401113 is an apocalyptic number.

It is an amenable number.

43401113 is a deficient number, since it is larger than the sum of its proper divisors (7085953).

43401113 is an equidigital number, since it uses as much as digits as its factorization.

43401113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885751 (or 885744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 43401113 is about 6587.9521097227. The cubic root of 43401113 is about 351.4257839421.

Adding to 43401113 its reverse (31110434), we get a palindrome (74511547).

The spelling of 43401113 in words is "forty-three million, four hundred one thousand, one hundred thirteen".