43233481 has 2 divisors, whose sum is σ = 43233482. Its totient is φ = 43233480.

The previous prime is 43233439. The next prime is 43233503. The reversal of 43233481 is 18433234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25593481 + 17640000 = 5059^2 + 4200^2 .

It is a cyclic number.

It is not a de Polignac number, because 43233481 - 2¹⁵ = 43200713 is a prime.

It is a super-2 number, since 2×43233481² = 3738267758754722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43233181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616740 + 21616741.

It is an arithmetic number, because the mean of its divisors is an integer number (21616741).

Almost surely, 2^43233481 is an apocalyptic number.

It is an amenable number.

43233481 is a deficient number, since it is larger than the sum of its proper divisors (1).

43233481 is an equidigital number, since it uses as much as digits as its factorization.

43233481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 43233481 is about 6575.2171827248. The cubic root of 43233481 is about 350.9727524350.

The spelling of 43233481 in words is "forty-three million, two hundred thirty-three thousand, four hundred eighty-one".