43151941 has 4 divisors (see below), whose sum is σ = 49316512. Its totient is φ = 36987372.

The previous prime is 43151939. The next prime is 43151963. The reversal of 43151941 is 14915134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43151941 - 2¹ = 43151939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43151981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082275 + ... + 3082288.

It is an arithmetic number, because the mean of its divisors is an integer number (12329128).

Almost surely, 2^43151941 is an apocalyptic number.

It is an amenable number.

43151941 is a deficient number, since it is larger than the sum of its proper divisors (6164571).

43151941 is an equidigital number, since it uses as much as digits as its factorization.

43151941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164570.

The product of its digits is 2160, while the sum is 28.

The square root of 43151941 is about 6569.0137007012. The cubic root of 43151941 is about 350.7519642234.

The spelling of 43151941 in words is "forty-three million, one hundred fifty-one thousand, nine hundred forty-one".