43042965 has 16 divisors (see below), whose sum is σ = 78707328. Its totient is φ = 19676736.

The previous prime is 43042933. The next prime is 43042991. The reversal of 43042965 is 56924034.

It is not a de Polignac number, because 43042965 - 2⁵ = 43042933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204862 + ... + 205071.

It is an arithmetic number, because the mean of its divisors is an integer number (4919208).

Almost surely, 2^43042965 is an apocalyptic number.

It is an amenable number.

43042965 is a deficient number, since it is larger than the sum of its proper divisors (35664363).

43042965 is a wasteful number, since it uses less digits than its factorization.

43042965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409948.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 43042965 is about 6560.7137569018. The cubic root of 43042965 is about 350.4564520788.

Adding to 43042965 its reverse (56924034), we get a palindrome (99966999).

The spelling of 43042965 in words is "forty-three million, forty-two thousand, nine hundred sixty-five".