43313057 has 4 divisors (see below), whose sum is σ = 43412160. Its totient is φ = 43213956.

The previous prime is 43313041. The next prime is 43313099. The reversal of 43313057 is 75031334.

43313057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43313057 - 2⁴ = 43313041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43313957) 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 in 3 ways as a sum of consecutive naturals, for example, 48893 + ... + 49770.

It is an arithmetic number, because the mean of its divisors is an integer number (10853040).

Almost surely, 2^43313057 is an apocalyptic number.

It is an amenable number.

43313057 is a deficient number, since it is larger than the sum of its proper divisors (99103).

43313057 is an equidigital number, since it uses as much as digits as its factorization.

43313057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99102.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 43313057 is about 6581.2656077688. The cubic root of 43313057 is about 351.1879551678.

The spelling of 43313057 in words is "forty-three million, three hundred thirteen thousand, fifty-seven".