43605361 has 4 divisors (see below), whose sum is σ = 45900400. Its totient is φ = 41310324.

The previous prime is 43605349. The next prime is 43605383. The reversal of 43605361 is 16350634.

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 43605361 - 2⁵ = 43605329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43605161) 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, 1147491 + ... + 1147528.

It is an arithmetic number, because the mean of its divisors is an integer number (11475100).

Almost surely, 2^43605361 is an apocalyptic number.

It is an amenable number.

43605361 is a deficient number, since it is larger than the sum of its proper divisors (2295039).

43605361 is a wasteful number, since it uses less digits than its factorization.

43605361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295038.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 43605361 is about 6603.4355452295. The cubic root of 43605361 is about 351.9761977061.

Adding to 43605361 its reverse (16350634), we get a palindrome (59955995).

The spelling of 43605361 in words is "forty-three million, six hundred five thousand, three hundred sixty-one".