43475441 has 2 divisors, whose sum is σ = 43475442. Its totient is φ = 43475440.

The previous prime is 43475381. The next prime is 43475449. The reversal of 43475441 is 14457434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 5085025 = 6196^2 + 2255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43475441 is a prime.

It is a super-2 number, since 2×43475441² = 3780227940288962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43475398 and 43475407.

It is not a weakly prime, because it can be changed into another prime (43475449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21737720 + 21737721.

It is an arithmetic number, because the mean of its divisors is an integer number (21737721).

Almost surely, 2^43475441 is an apocalyptic number.

It is an amenable number.

43475441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43475441 is an equidigital number, since it uses as much as digits as its factorization.

43475441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 32.

The square root of 43475441 is about 6593.5909032939. The cubic root of 43475441 is about 351.6262847796.

The spelling of 43475441 in words is "forty-three million, four hundred seventy-five thousand, four hundred forty-one".