43053217 has 4 divisors (see below), whose sum is σ = 44925120. Its totient is φ = 41181316.

The previous prime is 43053211. The next prime is 43053233. The reversal of 43053217 is 71235034.

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 de Polignac number, because none of the positive numbers 2^k-43053217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43053191 and 43053200.

It is not an unprimeable number, because it can be changed into a prime (43053211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935917 + ... + 935962.

It is an arithmetic number, because the mean of its divisors is an integer number (11231280).

Almost surely, 2^43053217 is an apocalyptic number.

It is an amenable number.

43053217 is a deficient number, since it is larger than the sum of its proper divisors (1871903).

43053217 is a wasteful number, since it uses less digits than its factorization.

43053217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871902.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 43053217 is about 6561.4950278119. The cubic root of 43053217 is about 350.4842738482.

The spelling of 43053217 in words is "forty-three million, fifty-three thousand, two hundred seventeen".