43125611 has 4 divisors (see below), whose sum is σ = 45395400. Its totient is φ = 40855824.

The previous prime is 43125587. The next prime is 43125647. The reversal of 43125611 is 11652134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43125611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43125661) 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, 1134866 + ... + 1134903.

It is an arithmetic number, because the mean of its divisors is an integer number (11348850).

Almost surely, 2^43125611 is an apocalyptic number.

43125611 is a deficient number, since it is larger than the sum of its proper divisors (2269789).

43125611 is a wasteful number, since it uses less digits than its factorization.

43125611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269788.

The product of its digits is 720, while the sum is 23.

The square root of 43125611 is about 6567.0092888620. The cubic root of 43125611 is about 350.6806103205.

Adding to 43125611 its reverse (11652134), we get a palindrome (54777745).

The spelling of 43125611 in words is "forty-three million, one hundred twenty-five thousand, six hundred eleven".