43141249 has 2 divisors, whose sum is σ = 43141250. Its totient is φ = 43141248.

The previous prime is 43141247. The next prime is 43141279. The reversal of 43141249 is 94214134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 16257024 = 5185^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 43141249 - 2¹ = 43141247 is a prime.

It is a super-2 number, since 2×43141249² = 3722334730560002, which contains 22 as substring.

Together with 43141247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43141247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570624 + 21570625.

It is an arithmetic number, because the mean of its divisors is an integer number (21570625).

Almost surely, 2^43141249 is an apocalyptic number.

It is an amenable number.

43141249 is a deficient number, since it is larger than the sum of its proper divisors (1).

43141249 is an equidigital number, since it uses as much as digits as its factorization.

43141249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 43141249 is about 6568.1998294814. The cubic root of 43141249 is about 350.7229925658.

The spelling of 43141249 in words is "forty-three million, one hundred forty-one thousand, two hundred forty-nine".