43312461 has 16 divisors (see below), whose sum is σ = 58982400. Its totient is φ = 28265328.

The previous prime is 43312439. The next prime is 43312469. The reversal of 43312461 is 16421334.

43312461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43312461 - 2⁶ = 43312397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43312469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29380 + ... + 30818.

It is an arithmetic number, because the mean of its divisors is an integer number (3686400).

Almost surely, 2^43312461 is an apocalyptic number.

It is an amenable number.

43312461 is a deficient number, since it is larger than the sum of its proper divisors (15669939).

43312461 is a wasteful number, since it uses less digits than its factorization.

43312461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648.

The product of its digits is 1728, while the sum is 24.

The square root of 43312461 is about 6581.2203275684. The cubic root of 43312461 is about 351.1863443450.

Adding to 43312461 its reverse (16421334), we get a palindrome (59733795).

The spelling of 43312461 in words is "forty-three million, three hundred twelve thousand, four hundred sixty-one".