43505242 has 16 divisors (see below), whose sum is σ = 71370432. Its totient is φ = 19725120.

The previous prime is 43505239. The next prime is 43505251. The reversal of 43505242 is 24250534.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7243 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (4460652).

Almost surely, 2^43505242 is an apocalyptic number.

43505242 is a deficient number, since it is larger than the sum of its proper divisors (27865190).

43505242 is a wasteful number, since it uses less digits than its factorization.

43505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 43505242 is about 6595.8503621595. The cubic root of 43505242 is about 351.7066092209.

Adding to 43505242 its reverse (24250534), we get a palindrome (67755776).

The spelling of 43505242 in words is "forty-three million, five hundred five thousand, two hundred forty-two".