43454113 has 2 divisors, whose sum is σ = 43454114. Its totient is φ = 43454112.

The previous prime is 43454111. The next prime is 43454119. The reversal of 43454113 is 31145434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40094224 + 3359889 = 6332^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 43454113 - 2¹ = 43454111 is a prime.

Together with 43454111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43454111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21727056 + 21727057.

It is an arithmetic number, because the mean of its divisors is an integer number (21727057).

Almost surely, 2^43454113 is an apocalyptic number.

It is an amenable number.

43454113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43454113 is an equidigital number, since it uses as much as digits as its factorization.

43454113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 43454113 is about 6591.9733767666. The cubic root of 43454113 is about 351.5687755904.

Adding to 43454113 its reverse (31145434), we get a palindrome (74599547).

The spelling of 43454113 in words is "forty-three million, four hundred fifty-four thousand, one hundred thirteen".