43261051 has 2 divisors, whose sum is σ = 43261052. Its totient is φ = 43261050.

The previous prime is 43261021. The next prime is 43261061. The reversal of 43261051 is 15016234.

43261051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43261051 - 2⁵ = 43261019 is a prime.

It is not a weakly prime, because it can be changed into another prime (43261021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21630525 + 21630526.

It is an arithmetic number, because the mean of its divisors is an integer number (21630526).

Almost surely, 2^43261051 is an apocalyptic number.

43261051 is a deficient number, since it is larger than the sum of its proper divisors (1).

43261051 is an equidigital number, since it uses as much as digits as its factorization.

43261051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 43261051 is about 6577.3133572911. The cubic root of 43261051 is about 351.0473417149.

Adding to 43261051 its reverse (15016234), we get a palindrome (58277285).

The spelling of 43261051 in words is "forty-three million, two hundred sixty-one thousand, fifty-one".